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

int main() {
  int Y, M, D; cin >> Y >> M >> D;
  int ans = Y*10000 + M*100 + D;
  if(19890108 <= ans and ans <= 20190430) cout << "Yes" << endl;
  else cout << "No" << endl;
}