#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  long long X, Y;
  cin >> N >> X >> Y;
  vector<int> R(N);
  for (int i = 0; i < N; i++){
    cin >> R[i];
  }
  long long sum = 0;
  for (int i = 0; i < N; i++){
    sum += R[i] * 2;
  }
  bool ok = false;
  for (int i = 0; i < N; i++){
    long long mx = sum - R[i];
    long long mn = R[i] - (sum - R[i] * 2);
    mx = min(mx, (long long) 1500000000);
    mn = max(mn, (long long) 0);
    if (mn * mn <= X * X + Y * Y && X * X + Y * Y <= mx * mx){
      ok = true;
    }
  }
  if (ok){
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }
}