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