#include <iostream>
#include <sstream>
#include <math.h>
#include <stack>
#include <set>
#include <algorithm>
#include <string>
#include <queue>
#include <stack>
#include <map>
#include <cstdio>
#include <vector>
using namespace std;

#define INF (1 << 30)
#define INFLL (1LL << 60)

int main() {
	long long x,n,a,ans = 0;
	cin >> x >> n;
	for(int i = 0;i < n;i++){
		cin >> a;
		long long num = x;
		if(a == 0) num = 1;
		for(int j = 1;j < a;j++){
			if(a % j == 0){
				num = num * num % 1000003;
				j = 2*j-1;
				continue;
			}
			num = num * x % 1000003;
		}
		ans += num;
	}
	cout << ans % 1000003 << endl;
	return 0;
}