typedef int ll;
typedef long double ld;
#include <bits/stdc++.h>
using namespace std;
// #define int long long

signed main(){
    ll n;
    std::cin >> n;
    ll x,y;
    std::cin >> x>>y;
    vector<ll> r(n);
    for (int i = 0; i < n; i++) {
        std::cin >> r[i];
    }
    ll len = 0;
    sort(r.begin(),r.end());
    for (int i = 0; i < n; i++) {
        if(i==0){
            len += r[i];
        }else{
            len += 2*r[i];
        }
    }
    // std::cout << len << std::endl;
    // std::cout << x*x+y*y<<" "<<len*len << std::endl;
    if(x*x+y*y<=len*len){
        std::cout << "Yes" << std::endl;
    }else{
        std::cout << "No" << std::endl;
    }
}