/* -*- coding: utf-8 -*-
 *
 * 1944.cc:  No.1944 ∞ - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const int MAX_N = 200000;

/* typedef */

typedef long long ll;

/* global variables */

int rs[MAX_N];

/* subroutines */

/* main */

int main() {
  int n, x, y;
  scanf("%d%d%d", &n, &x, &y);

  ll rsum = 0;
  for (int i = 0; i < n; i++) scanf("%d", rs + i), rsum += rs[i];
  int minr = *min_element(rs, rs + n);

  ll dd = (ll)x * x + (ll)y * y;

  if (n == 1) {
    if ((ll)rs[0] * rs[0] == dd) puts("Yes");
    else puts("No");
  }
  else {
    ll r = 2 * rsum - minr;
    if (r >= 2000000000 || r * r >= dd) puts("Yes");
    else puts("No");
  }

  return 0;
}