#include <stdio.h>
int main(void) {
int i;
char s[100];
int a = 0;
for(i = 0; a==0; i++) {
if(s[i] == '1') {
s[i] = 'I';
a = 1;
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgaTsKCWNoYXIgc1sxMDBdOwoJc2NhbmYoIiVzIixzKTsKCXByaW50ZigiJXNcbiAgLT4gIixzKTsKCWludCBhID0gMDsKCWZvcihpID0gMDsgYT09MDsgaSsrKSB7CgkJaWYoc1tpXSA9PSAnMScpIHsKCQkJc1tpXSA9ICdJJzsKCQkJYSA9IDE7CgkJfQoJfQoJcHJpbnRmKCIlc1xuIixzKTsKCXJldHVybiAwOwp9Cg==