//Normal

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void prints(auto a){
  cout << a << " ";
}

void prints(){
  cout << " ";
}

void printl(auto a){
  cout << a << endl;
}

void printl(){
  cout << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

int main(){
  int Y, M, D; cin >> Y >> M >> D;
  bool flag = false;
  
  switch(Y){
    case 1989:
      if((M == 1 and 8 <= D) or M != 1) flag = true;
      break;
    case 2019:
      if(M <= 4) flag = true;
      break;
    default:
      if(1989 <= Y and Y <= 2019) flag = true;
      break;
  }
  
  flag ? printl("Yes") : printl("No");
  
  return 0;
}