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

signed main(){
    ll n;
    std::cin >> n;
    ld x,y;
    std::cin >> x>>y;
    vector<ld> r(n);
    for (int i = 0; i < n; i++) {
        std::cin >> r[i];
    }
    ld 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];
        }
    }
    if(n==1){
            if(x*x+y*y==len*len){
        std::cout << "Yes" << std::endl;
    }else{
        std::cout << "No" << std::endl;
    }
    return 0;
    }
    // std::cout << x*x<<" "<<y*y << std::endl;
    if(sqrtl(x*x+y*y)-0.000000001<=len){
        std::cout << "Yes" << std::endl;
    }else{
        std::cout << "No" << std::endl;
    }
}