Aizu Online Judge No.0522 "JOI and IOI"

0522.cpp

#include <cstdio>
#include <cstring>

int main(){
	char str[10001];
	while(1){
		int joi = 0, ioi = 0;
		scanf("%s", str);
		if(*str == 0)break;
		for(int i = 0; i < 9999; i++){
			if(str[i+1] == 'O' && str[i+2] == 'I'){
				if(str[i] == 'J') joi++;
				else if(str[i] == 'I') ioi++;
			}
		}
		printf("%d\n%d\n", joi, ioi);
		memset(str, '\0', 10001);
	}
	return 0;
}