#include <bits/stdc++.h>
using namespace std;

int main(){
  int H, M;
  cin >> H >> M;
  
  int min = H * 60 + M;
  if(min < 7 * 60 + 30) cout << "Yes";
  else if(min >= 8 * 60 + 30) cout << "No";
  else cout << "Late";
}