#include <bits/stdc++.h>
using namespace std;

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

const int m = 1999999973;

void put(long long &a, long long &b)
{
    long long k = 1;
    while(b)
    {
        if (b % 2 == 1)
        {
            k = (k * a) % m;
        }
        a = ((a % m) * (a % m)) % m;
        b /= 2;
    }
    a = k;
}

int main()
{
    long long a, b;
    fin>>a>>b;
    put(a, b);
    fout<<a;
    return 0;
}