#include <stdio.h>
int main(void) {
int i;
char s[100];
for(i=0;i<100;i++){
if(s[i] == '1'){
s[i]= 'I';
}
else if(s[i] == '\0'){
break;
}
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgaTsKCWNoYXIgc1sxMDBdOwoJc2NhbmYoIiVzIixzKTsKCXByaW50ZigiJXNcbiAgLT4gIixzKTsKCWZvcihpPTA7aTwxMDA7aSsrKXsKCQlpZihzW2ldID09ICcxJyl7CgkJCXNbaV09ICdJJzsKCQkJfQoJCWVsc2UgaWYoc1tpXSA9PSAnXDAnKXsKCQkJYnJlYWs7CgkJCX0KCQl9CgkKCXByaW50ZigiJXNcbiIscyk7CglyZXR1cm4gMDsKfQo=