World2

using System;

class world{
    static void Main(){
        string input = Console.ReadLine();
        string[] sinput1 = input.Split(' ');
        int n = int.Parse(sinput1[0]);
        int k = int.Parse(sinput1[1]);
        input = Console.ReadLine();
        string[] sinput2 = input.Split(' ');
        int[] seq = new int[sinput2.Length + 1];
        for(int i = 1; i <= n; i++) seq[i] = int.Parse(sinput2[i - 1]) + seq[i - 1];

        bool found = false;
        for(int i = 1; i <= n; i++){
            int l = i;
            int r = n;
            int mem = n;
            while(l <= r){
                int m = (l + r) / 2;
                if(seq[m] - seq[i - 1] <= k){
                    mem = m;
                    l = m + 1;
                }else{
                    r = m - 1;
                }
            }
            found |= (seq[mem] - seq[i - 1] == k);
        }

        Console.WriteLine(found ? "World" : "No");
    }
}