#include <fstream>

using namespace std;

const long long mod = 1999999973;

int main()
{
    ifstream in("lgput.in");
    ofstream out("lgput.out");
    long long a, b;
    in >> a >> b;
    long long p = 1;
    while (b)
    {
        if (b % 2 == 1)
        {
            p *= a;
            p %= mod;
        }
        a *= a;
        a %= mod;
        b /= 2;
    }
    out << p << '\n';

    return 0;
}