typedef long unsigned int size_t;
typedef int wchar_t;
typedef long double _Float128;
typedef float _Float32;
typedef double _Float64;
typedef double _Float32x;
typedef long double _Float64x;
typedef struct
  {
    int quot;
    int rem;
  } div_t;
typedef struct
  {
    long int quot;
    long int rem;
  } ldiv_t;
__extension__ typedef struct
  {
    long long int quot;
    long long int rem;
  } lldiv_t;
extern size_t __ctype_get_mb_cur_max (void) __attribute__ ((__nothrow__ )) ;
extern double atof (const char *__nptr)
     __attribute__ ((__nothrow__ )) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern int atoi (const char *__nptr)
     __attribute__ ((__nothrow__ )) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern long int atol (const char *__nptr)
     __attribute__ ((__nothrow__ )) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
__extension__ extern long long int atoll (const char *__nptr)
     __attribute__ ((__nothrow__ )) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
extern double strtod (const char *__restrict __nptr,
        char **__restrict __endptr)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern float strtof (const char *__restrict __nptr,
       char **__restrict __endptr) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern long double strtold (const char *__restrict __nptr,
       char **__restrict __endptr)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern long int strtol (const char *__restrict __nptr,
   char **__restrict __endptr, int __base)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern unsigned long int strtoul (const char *__restrict __nptr,
      char **__restrict __endptr, int __base)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
__extension__
extern long long int strtoq (const char *__restrict __nptr,
        char **__restrict __endptr, int __base)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
__extension__
extern unsigned long long int strtouq (const char *__restrict __nptr,
           char **__restrict __endptr, int __base)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
__extension__
extern long long int strtoll (const char *__restrict __nptr,
         char **__restrict __endptr, int __base)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
__extension__
extern unsigned long long int strtoull (const char *__restrict __nptr,
     char **__restrict __endptr, int __base)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern char *l64a (long int __n) __attribute__ ((__nothrow__ )) ;
extern long int a64l (const char *__s)
     __attribute__ ((__nothrow__ )) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) ;
typedef unsigned char __u_char;
typedef unsigned short int __u_short;
typedef unsigned int __u_int;
typedef unsigned long int __u_long;
typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef signed short int __int16_t;
typedef unsigned short int __uint16_t;
typedef signed int __int32_t;
typedef unsigned int __uint32_t;
__extension__ typedef signed long long int __int64_t;
__extension__ typedef unsigned long long int __uint64_t;
typedef __int8_t __int_least8_t;
typedef __uint8_t __uint_least8_t;
typedef __int16_t __int_least16_t;
typedef __uint16_t __uint_least16_t;
typedef __int32_t __int_least32_t;
typedef __uint32_t __uint_least32_t;
typedef __int64_t __int_least64_t;
typedef __uint64_t __uint_least64_t;
__extension__ typedef long long int __quad_t;
__extension__ typedef unsigned long long int __u_quad_t;
__extension__ typedef long long int __intmax_t;
__extension__ typedef unsigned long long int __uintmax_t;
__extension__ typedef __uint64_t __dev_t;
__extension__ typedef unsigned int __uid_t;
__extension__ typedef unsigned int __gid_t;
__extension__ typedef __uint64_t __ino_t;
__extension__ typedef __uint64_t __ino64_t;
__extension__ typedef unsigned int __mode_t;
__extension__ typedef unsigned int __nlink_t;
__extension__ typedef __int64_t __off_t;
__extension__ typedef __int64_t __off64_t;
__extension__ typedef int __pid_t;
__extension__ typedef struct { int __val[2]; } __fsid_t;
__extension__ typedef long int __clock_t;
__extension__ typedef __uint64_t __rlim_t;
__extension__ typedef __uint64_t __rlim64_t;
__extension__ typedef unsigned int __id_t;
__extension__ typedef __int64_t __time_t;
__extension__ typedef unsigned int __useconds_t;
__extension__ typedef __int64_t __suseconds_t;
__extension__ typedef __int64_t __suseconds64_t;
__extension__ typedef int __daddr_t;
__extension__ typedef int __key_t;
__extension__ typedef int __clockid_t;
__extension__ typedef void * __timer_t;
__extension__ typedef int __blksize_t;
__extension__ typedef __int64_t __blkcnt_t;
__extension__ typedef __int64_t __blkcnt64_t;
__extension__ typedef __uint64_t __fsblkcnt_t;
__extension__ typedef __uint64_t __fsblkcnt64_t;
__extension__ typedef __uint64_t __fsfilcnt_t;
__extension__ typedef __uint64_t __fsfilcnt64_t;
__extension__ typedef int __fsword_t;
__extension__ typedef long int __ssize_t;
__extension__ typedef long int __syscall_slong_t;
__extension__ typedef unsigned long int __syscall_ulong_t;
typedef __off64_t __loff_t;
typedef char *__caddr_t;
__extension__ typedef long int __intptr_t;
__extension__ typedef unsigned int __socklen_t;
typedef int __sig_atomic_t;
typedef __u_char u_char;
typedef __u_short u_short;
typedef __u_int u_int;
typedef __u_long u_long;
typedef __quad_t quad_t;
typedef __u_quad_t u_quad_t;
typedef __fsid_t fsid_t;
typedef __loff_t loff_t;
typedef __ino_t ino_t;
typedef __dev_t dev_t;
typedef __gid_t gid_t;
typedef __mode_t mode_t;
typedef __nlink_t nlink_t;
typedef __uid_t uid_t;
typedef __off_t off_t;
typedef __pid_t pid_t;
typedef __id_t id_t;
typedef __ssize_t ssize_t;
typedef __daddr_t daddr_t;
typedef __caddr_t caddr_t;
typedef __key_t key_t;
typedef __clock_t clock_t;

typedef __clockid_t clockid_t;
typedef __time_t time_t;
typedef __timer_t timer_t;
typedef unsigned long int ulong;
typedef unsigned short int ushort;
typedef unsigned int uint;
typedef __int8_t int8_t;
typedef __int16_t int16_t;
typedef __int32_t int32_t;
typedef __int64_t int64_t;
typedef __uint8_t u_int8_t;
typedef __uint16_t u_int16_t;
typedef __uint32_t u_int32_t;
typedef __uint64_t u_int64_t;
typedef int register_t __attribute__ ((__mode__ (__word__)));
static __inline __uint16_t
__bswap_16 (__uint16_t __bsx)
{
  return ((__uint16_t) ((((__bsx) >> 8) & 0xff) | (((__bsx) & 0xff) << 8)));
}
static __inline __uint32_t
__bswap_32 (__uint32_t __bsx)
{
  return ((((__bsx) & 0xff000000u) >> 24) | (((__bsx) & 0x00ff0000u) >> 8) | (((__bsx) & 0x0000ff00u) << 8) | (((__bsx) & 0x000000ffu) << 24));
}
__extension__ static __inline __uint64_t
__bswap_64 (__uint64_t __bsx)
{
  return ((((__bsx) & 0xff00000000000000ull) >> 56) | (((__bsx) & 0x00ff000000000000ull) >> 40) | (((__bsx) & 0x0000ff0000000000ull) >> 24) | (((__bsx) & 0x000000ff00000000ull) >> 8) | (((__bsx) & 0x00000000ff000000ull) << 8) | (((__bsx) & 0x0000000000ff0000ull) << 24) | (((__bsx) & 0x000000000000ff00ull) << 40) | (((__bsx) & 0x00000000000000ffull) << 56));
}
static __inline __uint16_t
__uint16_identity (__uint16_t __x)
{
  return __x;
}
static __inline __uint32_t
__uint32_identity (__uint32_t __x)
{
  return __x;
}
static __inline __uint64_t
__uint64_identity (__uint64_t __x)
{
  return __x;
}
typedef struct
{
  unsigned long int __val[(1024 / (8 * sizeof (unsigned long int)))];
} __sigset_t;
typedef __sigset_t sigset_t;
struct timeval
{
  __time_t tv_sec;
  __suseconds_t tv_usec;
};

struct timespec
{
  __time_t tv_sec;
  long int tv_nsec;
  int: 32;
};
typedef __suseconds_t suseconds_t;
typedef long int __fd_mask;
typedef struct
  {
    __fd_mask __fds_bits[1024 / (8 * (int) sizeof (__fd_mask))];
  } fd_set;
typedef __fd_mask fd_mask;
extern int select (int __nfds, fd_set *__restrict __readfds,
     fd_set *__restrict __writefds,
     fd_set *__restrict __exceptfds,
     struct timeval *__restrict __timeout);
extern int pselect (int __nfds, fd_set *__restrict __readfds,
      fd_set *__restrict __writefds,
      fd_set *__restrict __exceptfds,
      const struct timespec *__restrict __timeout,
      const __sigset_t *__restrict __sigmask);
typedef __blksize_t blksize_t;
typedef __blkcnt_t blkcnt_t;
typedef __fsblkcnt_t fsblkcnt_t;
typedef __fsfilcnt_t fsfilcnt_t;

typedef union
{
  __extension__ unsigned long long int __value64;
  struct
  {
    unsigned int __low;
    unsigned int __high;
  } __value32;
} __atomic_wide_counter;
typedef struct __pthread_internal_list
{
  struct __pthread_internal_list *__prev;
  struct __pthread_internal_list *__next;
} __pthread_list_t;
typedef struct __pthread_internal_slist
{
  struct __pthread_internal_slist *__next;
} __pthread_slist_t;
struct __pthread_mutex_s
{
  int __lock ;
  unsigned int __count;
  int __owner;
  int __kind;
  unsigned int __nusers;
  __extension__ union
  {
    int __spins;
    __pthread_slist_t __list;
  };
};
struct __pthread_rwlock_arch_t
{
  unsigned int __readers;
  unsigned int __writers;
  unsigned int __wrphase_futex;
  unsigned int __writers_futex;
  unsigned int __pad3;
  unsigned int __pad4;
  unsigned char __flags;
  unsigned char __shared;
  unsigned char __pad1;
  unsigned char __pad2;
  int __cur_writer;
};
struct __pthread_cond_s
{
  __atomic_wide_counter __wseq;
  __atomic_wide_counter __g1_start;
  unsigned int __g_size[2] ;
  unsigned int __g1_orig_size;
  unsigned int __wrefs;
  unsigned int __g_signals[2];
  unsigned int __unused_initialized_1;
  unsigned int __unused_initialized_2;
};
typedef unsigned int __tss_t;
typedef unsigned long int __thrd_t;
typedef struct
{
  int __data ;
} __once_flag;
typedef unsigned long int pthread_t;
typedef union
{
  char __size[4];
  int __align;
} pthread_mutexattr_t;
typedef union
{
  char __size[4];
  int __align;
} pthread_condattr_t;
typedef unsigned int pthread_key_t;
typedef int pthread_once_t;
union pthread_attr_t
{
  char __size[36];
  long int __align;
};
typedef union pthread_attr_t pthread_attr_t;
typedef union
{
  struct __pthread_mutex_s __data;
  char __size[24];
  long int __align;
} pthread_mutex_t;
typedef union
{
  struct __pthread_cond_s __data;
  char __size[48];
  __extension__ long long int __align;
} pthread_cond_t;
typedef union
{
  struct __pthread_rwlock_arch_t __data;
  char __size[32];
  long int __align;
} pthread_rwlock_t;
typedef union
{
  char __size[8];
  long int __align;
} pthread_rwlockattr_t;
typedef volatile int pthread_spinlock_t;
typedef union
{
  char __size[20];
  long int __align;
} pthread_barrier_t;
typedef union
{
  char __size[4];
  int __align;
} pthread_barrierattr_t;
extern long int random (void) __attribute__ ((__nothrow__ ));
extern void srandom (unsigned int __seed) __attribute__ ((__nothrow__ ));
extern char *initstate (unsigned int __seed, char *__statebuf,
   size_t __statelen) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (2)));
extern char *setstate (char *__statebuf) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
struct random_data
  {
    int32_t *fptr;
    int32_t *rptr;
    int32_t *state;
    int rand_type;
    int rand_deg;
    int rand_sep;
    int32_t *end_ptr;
  };
extern int random_r (struct random_data *__restrict __buf,
       int32_t *__restrict __result) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern int srandom_r (unsigned int __seed, struct random_data *__buf)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (2)));
extern int initstate_r (unsigned int __seed, char *__restrict __statebuf,
   size_t __statelen,
   struct random_data *__restrict __buf)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (2, 4)));
extern int setstate_r (char *__restrict __statebuf,
         struct random_data *__restrict __buf)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern int rand (void) __attribute__ ((__nothrow__ ));
extern void srand (unsigned int __seed) __attribute__ ((__nothrow__ ));
extern int rand_r (unsigned int *__seed) __attribute__ ((__nothrow__ ));
extern double drand48 (void) __attribute__ ((__nothrow__ ));
extern double erand48 (unsigned short int __xsubi[3]) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern long int lrand48 (void) __attribute__ ((__nothrow__ ));
extern long int nrand48 (unsigned short int __xsubi[3])
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern long int mrand48 (void) __attribute__ ((__nothrow__ ));
extern long int jrand48 (unsigned short int __xsubi[3])
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern void srand48 (long int __seedval) __attribute__ ((__nothrow__ ));
extern unsigned short int *seed48 (unsigned short int __seed16v[3])
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern void lcong48 (unsigned short int __param[7]) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
struct drand48_data
  {
    unsigned short int __x[3];
    unsigned short int __old_x[3];
    unsigned short int __c;
    unsigned short int __init;
    __extension__ unsigned long long int __a;
  };
extern int drand48_r (struct drand48_data *__restrict __buffer,
        double *__restrict __result) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern int erand48_r (unsigned short int __xsubi[3],
        struct drand48_data *__restrict __buffer,
        double *__restrict __result) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern int lrand48_r (struct drand48_data *__restrict __buffer,
        long int *__restrict __result)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern int nrand48_r (unsigned short int __xsubi[3],
        struct drand48_data *__restrict __buffer,
        long int *__restrict __result)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern int mrand48_r (struct drand48_data *__restrict __buffer,
        long int *__restrict __result)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern int jrand48_r (unsigned short int __xsubi[3],
        struct drand48_data *__restrict __buffer,
        long int *__restrict __result)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern int srand48_r (long int __seedval, struct drand48_data *__buffer)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (2)));
extern int seed48_r (unsigned short int __seed16v[3],
       struct drand48_data *__buffer) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern int lcong48_r (unsigned short int __param[7],
        struct drand48_data *__buffer)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2)));
extern __uint32_t arc4random (void)
     __attribute__ ((__nothrow__ )) ;
extern void arc4random_buf (void *__buf, size_t __size)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern __uint32_t arc4random_uniform (__uint32_t __upper_bound)
     __attribute__ ((__nothrow__ )) ;
extern void *malloc (size_t __size) __attribute__ ((__nothrow__ )) __attribute__ ((__malloc__))
                                         ;
extern void *calloc (size_t __nmemb, size_t __size)
     __attribute__ ((__nothrow__ )) __attribute__ ((__malloc__)) ;
extern void *realloc (void *__ptr, size_t __size)
     __attribute__ ((__nothrow__ )) __attribute__ ((__warn_unused_result__)) ;
extern void free (void *__ptr) __attribute__ ((__nothrow__ ));
extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
     __attribute__ ((__nothrow__ )) __attribute__ ((__warn_unused_result__))
                       ;
extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
     __attribute__ ((__nothrow__ )) ;
extern void *alloca (size_t __size) __attribute__ ((__nothrow__ ));
extern void *valloc (size_t __size) __attribute__ ((__nothrow__ )) __attribute__ ((__malloc__))
                                         ;
extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1))) ;
extern void *aligned_alloc (size_t __alignment, size_t __size)
     __attribute__ ((__nothrow__ )) __attribute__ ((__malloc__)) __attribute__ ((__alloc_align__ (1)))
                                         ;
extern void abort (void) __attribute__ ((__nothrow__ )) __attribute__ ((__noreturn__)) __attribute__ ((__cold__));
extern int atexit (void (*__func) (void)) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern int at_quick_exit (void (*__func) (void)) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern void exit (int __status) __attribute__ ((__nothrow__ )) __attribute__ ((__noreturn__));
extern void quick_exit (int __status) __attribute__ ((__nothrow__ )) __attribute__ ((__noreturn__));
extern void _Exit (int __status) __attribute__ ((__nothrow__ )) __attribute__ ((__noreturn__));
extern char *getenv (const char *__name) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1))) ;
extern int putenv (char *__string) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern int setenv (const char *__name, const char *__value, int __replace)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (2)));
extern int unsetenv (const char *__name) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern int clearenv (void) __attribute__ ((__nothrow__ ));
extern char *mktemp (char *__template) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
extern int mkstemp (char *__template) __attribute__ ((__nonnull__ (1))) ;
extern int mkstemps (char *__template, int __suffixlen) __attribute__ ((__nonnull__ (1))) ;
extern char *mkdtemp (char *__template) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1))) ;
extern int system (const char *__command) ;
extern char *realpath (const char *__restrict __name,
         char *__restrict __resolved) __attribute__ ((__nothrow__ )) ;
typedef int (*__compar_fn_t) (const void *, const void *);
extern void *bsearch (const void *__key, const void *__base,
        size_t __nmemb, size_t __size, __compar_fn_t __compar)
     __attribute__ ((__nonnull__ (1, 2, 5))) ;
extern void qsort (void *__base, size_t __nmemb, size_t __size,
     __compar_fn_t __compar) __attribute__ ((__nonnull__ (1, 4)));
extern int abs (int __x) __attribute__ ((__nothrow__ )) __attribute__ ((__const__)) ;
extern long int labs (long int __x) __attribute__ ((__nothrow__ )) __attribute__ ((__const__)) ;
__extension__ extern long long int llabs (long long int __x)
     __attribute__ ((__nothrow__ )) __attribute__ ((__const__)) ;
extern div_t div (int __numer, int __denom)
     __attribute__ ((__nothrow__ )) __attribute__ ((__const__)) ;
extern ldiv_t ldiv (long int __numer, long int __denom)
     __attribute__ ((__nothrow__ )) __attribute__ ((__const__)) ;
__extension__ extern lldiv_t lldiv (long long int __numer,
        long long int __denom)
     __attribute__ ((__nothrow__ )) __attribute__ ((__const__)) ;
extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt,
     int *__restrict __sign) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt,
     int *__restrict __sign) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *gcvt (double __value, int __ndigit, char *__buf)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3))) ;
extern char *qecvt (long double __value, int __ndigit,
      int *__restrict __decpt, int *__restrict __sign)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *qfcvt (long double __value, int __ndigit,
      int *__restrict __decpt, int *__restrict __sign)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3, 4))) ;
extern char *qgcvt (long double __value, int __ndigit, char *__buf)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3))) ;
extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
     int *__restrict __sign, char *__restrict __buf,
     size_t __len) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
     int *__restrict __sign, char *__restrict __buf,
     size_t __len) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int qecvt_r (long double __value, int __ndigit,
      int *__restrict __decpt, int *__restrict __sign,
      char *__restrict __buf, size_t __len)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int qfcvt_r (long double __value, int __ndigit,
      int *__restrict __decpt, int *__restrict __sign,
      char *__restrict __buf, size_t __len)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (3, 4, 5)));
extern int mblen (const char *__s, size_t __n) __attribute__ ((__nothrow__ ));
extern int mbtowc (wchar_t *__restrict __pwc,
     const char *__restrict __s, size_t __n) __attribute__ ((__nothrow__ ));
extern int wctomb (char *__s, wchar_t __wchar) __attribute__ ((__nothrow__ ));
extern size_t mbstowcs (wchar_t *__restrict __pwcs,
   const char *__restrict __s, size_t __n) __attribute__ ((__nothrow__ ))
                                      ;
extern size_t wcstombs (char *__restrict __s,
   const wchar_t *__restrict __pwcs, size_t __n)
     __attribute__ ((__nothrow__ ))
                                    ;
extern int rpmatch (const char *__response) __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1))) ;
extern int getsubopt (char **__restrict __optionp,
        char *const *__restrict __tokens,
        char **__restrict __valuep)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1, 2, 3))) ;
extern int getloadavg (double __loadavg[], int __nelem)
     __attribute__ ((__nothrow__ )) __attribute__ ((__nonnull__ (1)));
void _I_default_handler(char *expr, char *file, int line);
static volatile int _di_target;

double now(void);
void now_reset(void);
double now_delta(double *t);
static volatile int _dl_target;



int main(void)
{
 int i = 0;
 @@break @"nana-di-source.c":15@@ @@condition $bpnum (1) && (!(i == 0))@@ @@command $bpnum@@ @@silent@@ @@echo "DI(""i == 0"")" has failed at f:l with \n@@ @@where@@ @@end@@;
 do { if((1)) { @@break @"nana-di-source.c":16@@ @@condition $bpnum (1)@@ @@command $bpnum@@ @@silent@@ ; @@printf "i is %d", i@@; @@cont@@ @@end@@ } } while(0);
 @@break @"nana-di-source.c":17@@ @@condition $bpnum (1) && (!(i >= 0))@@ @@command $bpnum@@ @@silent@@ @@echo "DI(""i >= 0"")" has failed at f:l with \n@@ @@where@@ @@end@@;
 return i;
}