#include <stdio.h>

int main() {
	int H, M;
	scanf("%d %d", &H, &M);
	if (H*60 + M < 7*60 + 30)
	{
		printf("Yes\n");
	}
	else if ((7*60 + 30 <= H*60 + M) && (H*60 + M < 8*60 + 30))
	{
		printf("Late\n");
	}
	else
	{
		printf("No\n");
	}
	
	return 0;
}