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

#define int long long
#define rep(i,l,r) for(int i=(int)(l);i<(int)(r);i++)
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)x.size())
template<class T>bool chmax(T &a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T &a,T b){if(a>b){a=b;return 1;}return 0;}

typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;

const int inf = 1LL<<60;
const int mod = 1e9 + 7;
const double eps = 1e-9;

/*{
  }*/

signed main(){
  int y, m, d;
  cin >> y >> m >> d;

  cout << ([&](){
  if(1989 < y and y < 2019) return true;
  if(y == 1989){ 
    if(1 < m) return true;
    else if(m == 1 and 8 <= d) return true;
  }
  if(y == 2019){
    if(m < 4) return true;
    else if(m == 4 and d <= 30) return true;
  }
  return false;
  }() ? "Yes" : "No") << endl;

  return 0;
}