#include <bits/stdc++.h>
using namespace std;

int n;
long long x, y, r, v, u = 200000;

int main()
{
	cin >> n >> x >> y;

	for (int i = 0; i < n; i++) {
		cin >> r;
		v += r * 2;
		u = min(u, r);
	}

	v -= u;

	if (sqrt(x * x + y * y) <= v)
		cout << "Yes" << endl;
	else
		cout << "No" << endl;
}