#include <iostream>
#include <vector>
#include <array>
#include <algorithm>

using namespace std;

#define REP(i,first,last) for (int i=first;i<last;i++)
#define FOR(it,con) for (auto it=con.begin();it!=con.end();it++)

const int devider = 1000002;
int x,N;
vector<int> amari_list(devider, -1);

int main(){
  cin >> x;
  cin >> N;
  int val;
  long result = 0;
  REP(i,0,N) {
    cin >> val;
    int target = val % devider;

    if (amari_list[target] == -1) {
      int amari = 1;
      REP(j,0,target){
        amari *= x;
        amari %= (devider+1);
      } 
      amari_list[target] = amari;
    }
    result += amari_list[target];
    result %= (devider+1);
  }

  cout << (result % (devider + 1)) << endl;
}