#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstdlib>
#include<vector>
#include<string>
#include<sstream>
#include<cmath>
#include<numeric>
#include<map>
#include<stack>
#include<queue>
using namespace std;
long long mod = 1e9 + 7;

int main(void) {
  int y, m, d; cin >> y >> m >> d;
  if(1989 <= y && y <= 2019) {
    if(y == 2019 && m >= 5) {
      cout << "No" << endl;
    }else if(y == 1989 && m == 1 && d < 8){
      cout << "No" << endl;
    }else{
      cout << "Yes" << endl;
    }
  }else{
    cout << "No" << endl;
  }


  return 0;
}



// EOF