using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static string InputPattern = "Input4";

    static List<string> GetInputList()
    {
        var WillReturn = new List<string>();

        if (InputPattern == "Input1") {
            WillReturn.Add("4");
            WillReturn.Add("1 100 100 100");
            WillReturn.Add("0 1 2 3");
            //NO
            //1点の問題しか残っていません。
        }
        else if (InputPattern == "Input2") {
            WillReturn.Add("3");
            WillReturn.Add("10 20 30");
            WillReturn.Add("1 0 0");
            //YES
            //50点取れるので優勝できます。
        }
        else if (InputPattern == "Input3") {
            WillReturn.Add("3");
            WillReturn.Add("10 20 30");
            WillReturn.Add("0 0 1");
            //YES
            //同点でも優勝です。
        }
        else {
            string wkStr;
            while ((wkStr = Console.ReadLine()) != null) WillReturn.Add(wkStr);
        }
        return WillReturn;
    }

    static void Main()
    {
        List<string> InputList = GetInputList();
        int[] AArr = InputList[1].Split(' ').Select(X => int.Parse(X)).ToArray();
        int[] BArr = InputList[2].Split(' ').Select(X => int.Parse(X)).ToArray();

        var ScoreSumDict = new Dictionary<int, int>();

        for (int I = 0; I <= BArr.GetUpperBound(0); I++) {
            if (ScoreSumDict.ContainsKey(BArr[I]))
                ScoreSumDict[BArr[I]] += AArr[I];
            else ScoreSumDict[BArr[I]] = AArr[I];
        }

        int RestScore = (ScoreSumDict.ContainsKey(0) ? ScoreSumDict[0] : 0);
        if (ScoreSumDict.Where(X => X.Key > 0).Any(X => X.Value > RestScore)) {
            Console.WriteLine("NO");
        }
        else Console.WriteLine("YES");
    }
}