local t = {}
for i = 1, 100000 do t[i] = i * i end
local s = 0
for i = 1, #t do s = s + t[i] % 7 end
local w = {}
for k in ("the quick brown fox jumps over the lazy dog"):gmatch("%a+") do w[#w + 1] = k:upper() end
table.sort(w)
print("lua ok", s, table.concat(w, ","), string.format("%.6f", math.sqrt(2)))