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

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int N;
  long long X,Y;
  cin>>N>>X>>Y;
  long long D=X*X+Y*Y;
  long long R1=0,R=0;
  cin>>R1;
  for(int i=0,t;i<N-1;i++){
    cin>>t;
    R+=t*2;
  }
  if(R1*R1<D){
    R+=R1;
    R*=R;
    cout<<(R<D?"No\n":"Yes\n");
  }else{
    R+=sqrt(D);
    R*=R;
    cout<<(R<R1*R1?"No\n":"Yes\n");
  }
}