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

int main(){
  int Y,M,D;
  cin>>Y>>M>>D;
  if(Y>=1990 && Y<=2018){
    cout<<"Yes"<<endl;
    return 0;
  }
  if(Y==1989 && (M>=2||(M==1 && D>=8))){
    cout<<"Yes"<<endl;
    return 0;
  }
  if(Y==2019 && M<=4){
    cout<<"Yes"<<endl;
    return 0;
  }
  cout<<"No"<<endl;
  return 0;
}