#include <stdio.h>

int main(void) {
int n;
scanf("%d",&n);
switch(n){
	case 1:
	case 2:
	case 3:
	case 4:
	case 5:
	case 6:
	case 7:
	case 8:
	case 9:
	case 10:
	printf("%d",n);
	break;
	case 11:
	printf("J\n");
	break;
	case 12:
	printf("Q\n");
	break;
	case 13:
	printf("K\n");
	break;
	default:
	printf("正確な値を入力してください");
}
	return 0;
}