#include <bits/stdc++.h>
using namespace  std;
 int main(){
    int H,M;
    cin >> H >> M;

     int time = H*60+M;

   if(time <450) {
     cout << "Yes" << endl;
   }else if (time<510) {
       cout << "Late" << endl;
   }else {
       cout << "No" << endl;
   }
}