#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+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgaTsKCWNoYXIgc1sxMDBdOwoJc2NhbmYoIiVzIixzKTsKCXByaW50ZigiJXNcbiAgLT4gIixzKTsKCQoJZm9yKGludCBpPTA7IHNbaV0hPSdcMCc7IGkrKyl7CgkJaWYoc1tpXSA9PSAnMScpIHNbaV0gPSAnSSc7Cgl9CgkKCXByaW50ZigiJXNcbiIscyk7CglyZXR1cm4gMDsKfQo=