#include <iostream>
#include <fstream>
using namespace std;

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

const int MOD = 1999999973;

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