using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;

public class Program
{
    public void Proc() {
        Reader.IsDebug = false;
        
        int[] inpt = Reader.GetInt();
        int baseNum = inpt[0];
        int itemCount = inpt[1];
        
        int[] powList = Reader.GetInt();
        
        long ans = 0;
        
        foreach (int pow in powList)
        {
            ans += this.GetSubTotal(baseNum, pow);
            ans = ans % Div;
        }
        
        
        Console.WriteLine(ans);

    }
    
    private long GetSubTotal(int baseNum, int pow) {
        if(dic[pow] > 0) {
            return dic[pow];
        }
        long ans = 1;
        if(pow <= 4) {
            ans = (long)Math.Pow(baseNum, pow) % Div;
        } else {
            int half = pow / 2;
            ans = this.GetSubTotal(baseNum, half);
            ans = ans * this.GetSubTotal(baseNum, pow - half) % Div;
        }
        dic[pow] = ans;
        return ans;
    }
    
    private long[] dic = new long[100000000 + 1];
    
    private int Div = 1000003;
    
    
    public class Reader {
        private static String InitText = @"



        ";
        
        private static System.IO.StringReader sr = null;
        
        public static bool IsDebug = true;
        
        public static string ReadLine() {
            if(IsDebug) {
                if(sr == null) {
                    sr = new System.IO.StringReader(InitText.Trim());
                }
                return sr.ReadLine();
            } else {
                return Console.ReadLine();
            }
        }
        public static int[] GetInt(char delimiter = ' ') {
            string[] inpt = ReadLine().Split(delimiter);
            int[] ret = new int[inpt.Length];
            for(int i=0; i<inpt.Length; i++) {
                ret[i] = int.Parse(inpt[i]);
            }
            return ret;
        }
    }
    public static void Main(string[] args)
    {
        Program prg = new Program();
        prg.Proc();
    }
}