#include <bits/stdc++.h>

using namespace std;

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

const int mod =  1999999973;

int main()
{
    long long a, b;
    fin >> a >> b;
    int rez = 1;
    while(b > 0)
    {
        if(b % 2 == 1)
            rez = rez*a % mod;
        a = a*a % mod;
        b /= 2;
    }
    fout << rez;
    return 0;
}