using System;
using System.IO;
using System.Text;
using System.Linq;
using System.Diagnostics;
using System.Collections.Generic;
using Enu = System.Linq.Enumerable;

class Program
{
    static readonly long Mod = 1234567891;
    void Add(ref long a, long b) { if ((a += b) >= Mod) a -= Mod; }

    void Solve()
    {
        int N = reader.Int();
        long M = reader.Long();
        var A = reader.IntArray(N);
        int Asum = A.Sum();
        var dp = new long[Asum * 2 + 1];
        dp[0] = 1;

        for (; M > 0; M >>= 1)
        {
            for (int i = 0; i < N; i++)
                for (int x = Asum * 2 - A[i]; x >= 0; x--)
                    Add(ref dp[x + A[i]], dp[x]);
            for (int i = 0; i < Asum; i++)
                dp[i] = dp[i * 2 + M % 2];
            Array.Clear(dp, Asum, dp.Length - Asum);
        }

        Console.WriteLine(dp[0]);
    }



    static void Main() { new Program().Solve(); }
    Reader reader = new Reader(Console.In);
    class Reader
    {
        private readonly TextReader reader;
        private readonly char[] separator = { ' ' };
        private readonly StringSplitOptions removeOp = StringSplitOptions.RemoveEmptyEntries;
        private string[] A = new string[0];
        private int i;

        public Reader(TextReader r) { reader = r; }
        public bool HasNext() { return Enqueue(); }
        public string String() { return Dequeue(); }
        public int Int() { return int.Parse(Dequeue()); }
        public long Long() { return long.Parse(Dequeue()); }
        public double Double() { return double.Parse(Dequeue()); }
        public int[] IntLine() { var s = Line(); return s == "" ? new int[0] : Array.ConvertAll(Split(s), int.Parse); }
        public int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); }
        public int[][] IntGrid(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); }
        public string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); }
        public string Line() { return reader.ReadLine().Trim(); }
        private string[] Split(string s) { return s.Split(separator, removeOp); }
        private bool Enqueue()
        {
            if (i < A.Length) return true;
            string line = reader.ReadLine();
            if (line == null) return false;
            if (line == "") return Enqueue();
            A = Split(line);
            i = 0;
            return true;
        }
        private string Dequeue() { Enqueue(); return A[i++]; }
    }
}