#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main(void) {
	
	int num;
	
	srand((unsigned)time(NULL));
	num = rand()%10+1;
	switch(num){
		case 1:
		case 2:
			printf("グー");
			break;
		case 3:
		case 4:
		case 5:
			printf("チョキ");
			break;
		default:
			printf("パー");
			break;
	}
	
	return 0;
}