#include <bits/stdc++.h>
#define rep(i,n) for (int i=0; i<(n); ++i)
using namespace std;
using ll=long long;
int main(){
    int y,m,d;
    cin>>y>>m>>d;
    string ans="No";
    if(y>=1989&&y<=2019){
        if(y==1989){
            if(m!=1){
                ans="Yes";
            }
            else{
                if(d>=8){
                    ans="Yes";
                }
            }
        }
        else if(y==2019){
            if(m<5){
                ans="Yes";
            }
        }
        else{
            ans="Yes";
        }
    }
    cout<<ans<<endl;
}