#include "bits/stdc++.h"
using namespace std;
#define int long long
#define endl '\n'
int mod=1e9+7;

signed main(){
  int y,m,d;
  cin>>y>>m>>d;
  bool f=true;
  if(y==1989&&m==1&&d<8)f=false;
  if(y<1989)f=false;
  if(y==2019&&m==4&&d>30)f=false;
  if(y==2019&&m>4)f=false;
  if(y>2019)f=false;
  if(f)cout<<"Yes"<<endl;
  else cout<<"No"<<endl;
}