#include <stdio.h>
int main()
{
char arr[15];
scanf("%s",arr);
if(arr[0]=='I'&&arr[1]=='O'&&arr[2]=='I'&&arr[3]==NULL){
printf("IOI is the International Olympiad in Informatics.");
}
else{
printf("I don't care.");
}
}
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#include <stdio.h>
int main()
{
char arr[15];
scanf("%s",arr);
if(arr[0]=='I'&&arr[1]=='O'&&arr[2]=='I'&&arr[3]==NULL){
printf("IOI is the International Olympiad in Informatics.");
}
else{
printf("I don't care.");
}
}