#include<bits/stdc++.h>
using namespace std;
int main(){
	int h2,t2,h1,t1;
	cin>>h2>>t2;
	cin>>h1>>t1;
	if(h2>=12)cout<<"No";
	h1*=60;
	h2*=60;
	if(h1+t1-360-30<=h2+t2){
			cout<<"Yes";
		}
		else cout<<"No";
return 0;
}