#include <stdio.h>

int main() {
	int H, M;
	scanf("&d &d", &H, &M);
	if ((0 <= H <= 6) || (H == 7 && 0 <= M < 30))
	{
		printf("Yes\n");
	}
	else if ((H == 7 && 30 <= M) || (H == 8 && M < 30))
	{
		printf("Late\n");
	}
	else
	{
		printf("No\n");
	}
}