#include <bits/stdc++.h>
#define int long long
using namespace std;
const int MOD = 1000000007;

signed main() {
  int Y, M, D;
  cin >> Y >> M >> D;
  
  bool fg = true;
  if( Y < 1989 || 2019 < Y ) fg = false;
  if( Y == 1989 && M == 1 && D < 8 ) fg = false;
  if( Y == 2019 && M > 4 ) fg = false;
  
  if( fg ) cout << "Yes" << endl;
  else cout << "No" << endl;
  
}