#include <stdio.h>

int main()
{
	int N, D, K;
	int empty = 0, pempty = 0, lower;
	float e, E;

	scanf("%d %f %d", &N, &e, &D);
	for (int i = 0; i < N; i++) {
		lower = 0;
		scanf("%d", &K);
		for (int j = 0; j < K; j++) {
			scanf("%f", &E);
			if (E < e)
				lower++;
		}
		if (lower > K / 2 && K > D)
			empty++;
		else if (lower > K / 2)
			pempty++;
	}
	printf("%.1f%% %.1f%%", 100.0 * pempty / N, 100.0 * empty / N);

	return 0;
}