#include<iostream>
using namespace std;
int y,m,d;
main()
{
	cin>>y>>m>>d;
	if(y<1989)cout<<"No"<<endl;
	else if(y==1989)
	{
		if(m>1)cout<<"Yes"<<endl;
		else if(d>7)cout<<"Yes"<<endl;
		else cout<<"No"<<endl;
	}
	else if(y<2019)cout<<"Yes"<<endl;
	else if(y==2019)
	{
		if(m<5)cout<<"Yes"<<endl;
		else cout<<"No"<<endl;
	}
	else cout<<"No"<<endl;
}