//g++ 2.cpp -std=c++14 -O2 -I .
#include <bits/stdc++.h>
using namespace std;

#include <atcoder/all>
using namespace atcoder;

using ll = long long;
using ld = long double;

using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using vld = vector<ld>;
using vvld = vector<vld>;
using vst = vector<string>;
using vvst = vector<vst>;

#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define pq_big(T) priority_queue<T,vector<T>,less<T>>
#define pq_small(T) priority_queue<T,vector<T>,greater<T>>
#define all(a) a.begin(),a.end()
#define rep(i,start,end) for(ll i=start;i<(ll)(end);i++)
#define per(i,start,end) for(ll i=start;i>=(ll)(end);i--)
#define uniq(a) sort(all(a));a.erase(unique(all(a)),a.end())

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  int n;
  ll x,y;
  cin>>n>>x>>y;

  if(n==1){
    ll a;
    cin>>a;
    if(a*a==x*x+y*y){
      cout<<"Yes\n";
    }
    else{
      cout<<"No\n";
    }
    return 0;
  }

  vll r(n);
  ll sum=0;
  rep(i,0,n)cin>>r[i],sum+=r[i];
  sort(all(r));
  sum*=2;
  sum-=r[0];

  if(sum>=3e9||sum*sum>=x*x+y*y){
    cout<<"Yes\n";
  }
  else{
    cout<<"No\n";
  }
}