#include <bits/stdc++.h>

using namespace std;

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

const int m = 1999999973;

int main()
{
    long long a, b, sol = 1;
    in >> a >> b;
    while (b)
    {
        if (b % 2 == 1)
            sol = (sol * a) % m;
        a = ((a % m) * (a % m)) % m;
        b /= 2;
    }
    out << sol % m;
    return 0;
}