#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+CgppbnQgbWFpbih2b2lkKXsKICAgIGludCBpOwogICAgY2hhciBzWzEwMF07CiAgICBzY2FuZigiJXMiLCBzKTsKICAgIHByaW50ZigiJXNcbi0+ICIsIHMpOwogICAgZm9yKGkgPSAwOyBzW2ldICE9ICdcMCc7IGkrKyl7CiAgICAgICAgaWYoc1tpXSA9PSAnMScpewogICAgICAgICAgICBzW2ldID0gJ0knOwogICAgICAgIH0KICAgIH0KICAgIHByaW50ZigiJXNcbiIsIHMpOwogICAgcmV0dXJuIDA7Cn0=