#include <stdio.h>
#include <stdlib.h>
int main(void) {
	int game;
	int sum = 0;
	while (1 == scanf("Game %d: ", &game)) {
		int n;
		char c[6];
		while (scanf("%d %5[a-z]%*c", &n, c) > 0) {
			if (c[0] == 'r' && n > 12) game = 0;
			if (c[0] == 'g' && n > 13) game = 0;
			if (c[0] == 'b' && n > 14) game = 0;
		}
		sum += game;
	}
	printf("%d\n", sum);
}