#include "bits/stdc++.h"
#define int long long
using namespace std;
using ll = long long;
using P = pair<ll, ll>;
const ll INF = (1LL << 61);
ll mod = 1000000007;


signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int A, B, C, D, E, F; cin >> A >> B >> C >> D >> E >> F;
	int G; cin >> G;
	if (500 * A + 100 * B + 10 * D + 5 * E + F == G) {
		cout << "YES" << endl;
	}
	else cout << "NO" << endl;
	return 0;
}