#include <stdio.h>
int main(void) {
char s[100];
int i=0;
while(s[i] != '\0') {
if (s[i] == '1') {
s[i] = 'I';
}i++;
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CiAgICBjaGFyIHNbMTAwXTsKCWludCBpPTA7CglzY2FuZigiJXMiLHMpOwoJcHJpbnRmKCIlcyAtPiAiLHMpOwoJd2hpbGUoc1tpXSAhPSAnXDAnKSB7CiAgICAgICAgaWYgKHNbaV0gPT0gJzEnKSB7CiAgICAgICAgICAgIHNbaV0gPSAnSSc7IAogICAgICAgIH1pKys7Cgl9CglwcmludGYoIiVzIiwgcyk7CglyZXR1cm4gMDsKfQo=