#include<iostream>
#include<algorithm>
#include<cmath>
#include<iomanip>
#include<vector>
#include<map>
#include<queue>
using namespace std;
typedef long long ll;
const int MOD=1e9+7;
int main() {
  int y,m,d;
  cin >> y >> m >> d;
  if(y>=1990&&y<=2018) {
      cout << "Yes" << endl;
  }
  else if((y==1989&&(m>=2||d>=8))||(y==2019&&m<=4)) {
      cout << "Yes" << endl;
  }
  else {
      cout << "No" << endl;
  }
}