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

int n;
long long x, y, v;
long long r[200000];

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

	for (int i = 0; i < n; i++) {
		cin >> r[i];
	}

	sort(r, r + n);
	v = r[0];

	for (int i = 1; i < n; i++) {
		v = v + r[i] * 2;
	}

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