#include <iostream>
#include <cmath>
#define mod 1999999973
using namespace std;
int n;
long long a, b, rez;

int putere() {
    rez = 1;
    while (b > 0) {
        if (b % 2 != 0)
            rez = rez * a % mod;
        a = a * a % mod;
        b /= 2;
    }
    return rez;
}

int main() {
    cin >> a >> b;
    cout << putere() << "\n";
    return 0;
}