#include <stdio.h>
int main(void) {
int i;
char s[100];
for(i=0;s[i] != '0';i++){
if (s[i] == '1') {
s[i] = 'I';
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgaTsKCWNoYXIgc1sxMDBdOwoJc2NhbmYoIiVzIixzKTsKCXByaW50ZigiJXNcbiAgLT4gIixzKTsKCWZvcihpPTA7c1tpXSAhPSAnMCc7aSsrKXsKCWlmIChzW2ldID09ICcxJykgewogICAgc1tpXSA9ICdJJzsKCX0KCX0KCXByaW50ZigiJXNcbiIscyk7CglyZXR1cm4gMDsKfQo=