#include <fstream>

using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");

const long long mod = 1999999973;

int main()
{
    long long n, a;
    in >> a >> n;
    long long p = 1;
    while(n != 0) {
        if(n % 2 != 0) {
            p = p * a % mod;
        }
        a = a * a % mod;
        n /= 2;
    }
    out << p;
    return 0;
}