using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Numerics; using System.Text; //using static CompLib.CompLib; //using DataStructure; namespace atcoder { class Program { const int intMax = 1000000000; const long longMax = 2000000000000000000; static void Main(string[] args) { var NXY = Console.ReadLine().Split().Select(long.Parse).ToArray(); int N = (int)NXY[0]; long X = NXY[1]; long Y = NXY[2]; var R = Console.ReadLine().Split().Select(long.Parse).ToArray(); if (N == 1) { if (R[0] * R[0] == X * X + Y * Y) Console.WriteLine("Yes"); else Console.WriteLine("No"); } else { long sum = 0; long min = longMax; for (int i = 0; i < N; i++) { sum += R[i] * 2; min = Math.Min(min, R[i]); } double d = Math.Sqrt(X * X + Y * Y); if (d <= sum - min) { Console.WriteLine("Yes"); } else { Console.WriteLine("No"); } } } } }