#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
  int A,B,C;
  cin>>A>>B>>C;
  int t = 10000*A+B*100+C;
  int a = 1989*10000+100+8;
  int b = 2019*10000+4*100+30;
  cout<<((a <= t && t <= b) ? "Yes" : "No")<<endl;
}