#include <fstream>
#define MOD 1999999973

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

long long int a, b;

long long int pow(long long int a, long long int b) {
    if (b == 0)
        return 1;
    if (b == 1)
        return a;

    if (b & 1)
        return a * pow(a * a % MOD, b >> 1) % MOD;
    return pow(a * a % MOD, b >> 1) % MOD;
}

int main() {
    fin >> a >> b;
    fout << pow(a, b) << '\n';

    fout.close();
    return 0;
}