#include #define rep(i,n) for(int i = 0; i < (int)(n); i++) using namespace std; using LL = long long; using P = pair; using vv = vector>; const int INF = (int)2e9; const LL LINF = (LL)1e18; int main(){ int N; LL X, Y; cin >> N >> X >> Y; vector R(N); rep(i,N) cin >> R[i]; if(N == 1){ if(X * X + Y * Y == R[0] * R[0]) cout << "Yes" << endl; else cout << "No" << endl; return 0; } sort(R.begin(), R.end()); LL tot = R[0]; rep(i,N-1) tot += R[i] * 2; if(tot > INF) cout << "Yes" << endl; else if(tot * tot >= X * X + Y * Y) cout << "Yes" << endl; else cout << "No" << endl; return 0; }