#include<bits/stdc++.h>

using namespace std;

using int64 = long long;

int main() {
  int Y, M, D;
  cin >> Y >> M >> D;
  int t = Y * 10000 + M * 100 + D;
  if(1989 * 10000 + 1 * 100 + 8 <= t && t <= 2019 * 10000 + 4 * 100 + 30) {
    cout << "Yes\n";
  } else {
    cout << "No\n";
  }
}