#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main(void){
    int y,m,d,ans;
    cin>>y>>m>>d;
    if(y<2019 && y>1989){
        cout<<"Yes"<<endl;
    }else if((y==2019 && m<4) || y==1989 && m>1 ){
        cout<<"Yes"<<endl;
    }else if ((y==2019 && m==4 && d<=30) || (y==1989 && m==1 && d>=8)){
        cout<<"Yes"<<endl;
    }else{
        cout<<"No"<<endl;
    }
    
}