#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector<ll>;
#define all(A) A.begin(),A.end()
#define rep(i, n) for (ll i = 0; i < (ll) (n); i++)


bool chmax(ll& p, ll q) {
    if (p < q) {
        p = q;
        return 1;
    }
    else {
        return 0;
    }
}

bool chmin(ll& p, ll q) {
    if (p > q) {
        p = q;
        return 1;
    }
    else {
        return 0;
    }
}


int main() {
    
    ll N,X,Y;
    cin>>N>>X>>Y;
    if(N==1){
        ll R;
        cin>>R;
        if(X*X+Y*Y==R*R){
            cout<<"Yes"<<endl;
        }
        else cout<<"No"<<endl;
    }
    else{
        vll R(N);
        ll M=1e18;
        ll S=0;
        rep(i,N){
            cin>>R[i];
            S+=R[i];
            chmin(M,R[i]);
        }
        ll D=(S*2-M);
        if(D*D>=X*X+Y*Y){
            cout<<"Yes"<<endl;
        }
        else{
            cout<<"No"<<endl;
        }
    }
    

    
}