#include <fstream>
//#include <iostream>

#define nr 1999999973

using namespace std;

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

long long putere(long long, long long);

long long a, b, c;

int main()
{
    fin >> a >> c;
    fout << putere(a, c)%nr;
    return 0;
}


long long putere(long long a, long long exp)
{
        if(exp == 0)
            return 1;
    else
    {
        b = putere(a, exp/2)%nr;
        if(exp%2 == 0)
            return (((b)*(b))%nr);
        else
            return (((((b)*(b))%nr)*(a))%nr);
    }
}