#include <fstream>

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

int main()
{
    long long a, b, m = 1999999973, sol = 1;
    fin >> a >> b;
    for (; b; b >>= 1)
    {
        if (b & 1)
        {
            sol = sol * a % m;
        }
        a = a * a % m;
    }
    fout << sol << '\n';
    return 0;
}