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

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

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

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

	v -= u;
	w = sqrt(x * x + y * y);

	if ((n == 1 && w != v) || w > v)
		cout << "No" << endl;
	else
		cout << "Yes" << endl;
}