#include <stdio.h>
int main(void) {
int i;
char s[100];
for(int i=0; s[i] != '\0'; i++){
if(s[i]== '1'){
s[i]= 'I';
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgaTsKCWNoYXIgc1sxMDBdOwoJc2NhbmYoIiVzIixzKTsKCXByaW50ZigiJXNcbiAgLT4gIixzKTsKCQoJZm9yKGludCBpPTA7IHNbaV0gIT0gJ1wwJzsgaSsrKXsKCQlpZihzW2ldPT0gJzEnKXsKCQkJc1tpXT0gJ0knOwoJCX0KCX0KCQoJcHJpbnRmKCIlc1xuIixzKTsKCXJldHVybiAwOwp9Cg==