#include <bits/stdc++.h>
using namespace std;
int main(){
  int y,m,d;
  cin >> y >> m >> d;
  if(y <= 1988){
    cout << "No" << endl;
  } else {
    if(y == 1989){
      if(m == 1){
        if(d <= 7){
          cout << "No" << endl;
        } else {
          cout << "Yes" << endl;
        }
      }
    } else {
      if(2020 <= y){
        cout << "No" << endl;
      } else if(y == 2019){
        if(m <= 4){
          cout << "Yes" << endl;
        } else {
          cout << "No" << endl;
        }
      } else {
        cout << "Yes" << endl;
      }
    }
  }
  return 0;
}