#include <stdio.h>
void change(char s[]){
for(int i=0;s[i]!='\0';i++){
if(s[i]=='1'){
s[i]='I';
}
}
}
int main(void) {
char s[100];
change(s);
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+Cgp2b2lkIGNoYW5nZShjaGFyIHNbXSl7Cglmb3IoaW50IGk9MDtzW2ldIT0nXDAnO2krKyl7CgkJaWYoc1tpXT09JzEnKXsKCQkJc1tpXT0nSSc7CgkJfQoJfQp9CgppbnQgbWFpbih2b2lkKSB7CgljaGFyIHNbMTAwXTsKCXNjYW5mKCIlcyIsJnMpOwoJcHJpbnRmKCIlcyIscyk7CgljaGFuZ2Uocyk7CglwcmludGYoIj0lcyIscyk7CglyZXR1cm4gMDsKfQo=