#include <stdio.h>
int main(void)
{
int i, sum = 0;
for(i = 0; i < 1000; i += 10)
{
sum += i;
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiAKaW50IG1haW4odm9pZCkKeyAKICAgIGludCBpLCBzdW0gPSAwOyAKIAogICAgZm9yKGkgPSAwOyBpIDwgMTAwMDsgaSArPSAxMCkKICAgIHsgCiAgICAgICAgc3VtICs9IGk7IAogICAgfQogCiAgICBwcmludGYoIiVkIiwgc3VtKTsKIAogICAgcmV0dXJuIDA7Cn0=