#include <bits/stdc++.h>
#define MOD 1999999973

using namespace std;

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

long long LogP(long long a, long long b)
{
    int p = 1;
    while (b > 0)
    {
        if (b % 2 == 1) p = 1LL * p * a % MOD;
        a = 1LL * a * a % MOD;
        b /= 2;
    }
    return p;
}

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