#include <stdio.h>
int main(){
int i;
char s[] = "abcdef";
for (i = 0; s[i]; ++i);
for (; i--;)
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CmludCBtYWluKCl7CiAgICBpbnQgaTsKICAgIGNoYXIgc1tdID0gImFiY2RlZiI7CiAgICBwcmludGYoIiVzXG4iLCBzKTsKICAgIGZvciAoaSA9IDA7IHNbaV07ICsraSk7CiAgICBmb3IgKDsgaS0tOykKICAgICAgICBwcmludGYoIiVjIiwgc1tpXSk7CiAgICByZXR1cm4gMDsKfQ==