#include <stdio.h>
int main(void) {
int i;
char s[100];
for(i=0;i<100;i++){
if(s[i]=='1'){
s[i]='I';
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgaTsKCWNoYXIgc1sxMDBdOwoJc2NhbmYoIiVzIixzKTsKCXByaW50ZigiJXNcbiAgLT4gIixzKTsKCWZvcihpPTA7aTwxMDA7aSsrKXsKCQlpZihzW2ldPT0nMScpewoJCXNbaV09J0knOwoJCX0KCX0KCXByaW50ZigiJXNcbiIscyk7CglyZXR1cm4gMDsKfQo=