/**
 *   @FileName	a.cpp
 *   @Author	kanpurin
 *   @Created	2022.05.20 21:40:54
**/

#include "bits/stdc++.h" 
using namespace std; 
typedef long long ll;


int main() {
    int n;
    ll x,y;cin >> n >> x >> y;
    vector<ll> r(n);
    for (int i = 0; i < n; i++) {
        cin >> r[i];
    }
    sort(r.begin(), r.end());
    ll sum_r = r[0];
    for (int i = 1; i < n; i++) {
        sum_r += 2*r[i];
    }
    if (n == 1) {
        if (x*x+y*y == sum_r*sum_r) {
            puts("Yes");
        }
        else {
            puts("No");
        }
    }
    else if (x*x+y*y <= sum_r*sum_r) {
        puts("Yes");
    }
    else {
        puts("No");
    }
    return 0;
}