#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>

//#ifdef __GXX_EXPERIMENTAL_CXX0X__
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
//#endif

#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>

#include <array>
//#include <atomic>
#include <chrono>
//#include <condition_variable>
#include <forward_list>
//#include <future>
#include <initializer_list>
//#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <system_error>
//#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>


using namespace std;

int main ()
{
	vector<long long int>malia(35);
	long long int x;
	int N;
	cin >> x >> N;
	vector<long long int>data(N);
	for( size_t i = 0; i < N; i++ )
	{
		cin >> data[i];
	}
	for( size_t i = 0; i < 35; i++ )
	{
		malia[i] = x;
		x *= x;
		x %= 1000003;
	}
	long long int ans = 0;
	for( size_t i = 0; i < N; i++ )
	{
		int memo = data[i];
		int j = 0;
		long long int ans2 = 1;
		while( memo > 0 )
		{
			if( memo & 1 ) { 
				ans2 *= malia [ j ];
				ans2 %= 1000003;
			}
			memo >>= 1;
			j++;
		}
		ans += ans2;
		ans %= 1000003;
	}
	cout << ans << endl;
}