#include<bits/stdc++.h>
using namespace std;
int main(){
	int c,s,a1,a2,a3;
	cin>>c>>s>>a1>>a2>>a3;
	if(c/s+a1+a2+a3<=20){
		cout<<"YES";
	}else{
		cout<<"NO";
	}
}
/**************************************************************
	Problem: 1634
	User: sucongyi
	Language: C++
	Result: Accepted
	Time:3 ms
	Memory:2072 kb
****************************************************************/