#include <iostream>
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long a, b, sol = 1;

int main() {
    fin >> a >> b;
    a %= MOD;
    b %= MOD;

    for (long long put = 1; put <= b; put <<= 1) {
        if (b & put)
            sol = sol * a % MOD;
        a = a * a % MOD;
    }

    fout << sol;
    return 0;
}