import java.io.*;
import java.util.*;
import java.math.*;

class Main {
	
	public static void out (Object o) {
		System.out.println(o);
	}
	
	public static void main (String[] args) throws IOException {
		BufferedReader br = 
			new BufferedReader(new InputStreamReader(System.in));
		
		String[] line1 = br.readLine().split(" ");
		String[] line2 = br.readLine().split(" ");
		
		int x = Integer.parseInt(line1[0]);
		int n = Integer.parseInt(line1[1]);
		int ans = 0, m = 1000003;
		long[] mm = new long[m];
		
		mm[0] = 1;
		for (int i = 1; i < m; i++) {
			mm[i] = mm[i - 1] * x % m;
		}
		for (int i = 0; i < n; i++) {
			int a = Integer.parseInt(line2[i]);
			ans += mm[a % m];
			ans %= m;
		}
		
		out(ans);
	}
}