#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long a, b, m;

long long putere(long long a, long long b){
    long long rez;
    if (b == 1)
        return a % 1999999973;
    if (b == 2)
        return a * a % 1999999973;
    if (b % 2 == 1)
        return a * putere(a, b - 1) % 1999999973;
    else {
        rez = putere(a, b / 2) % 1999999973;
        return rez * rez % 1999999973;
    }
}

int main(){
    fin >> a >> b;
    fout << putere(a, b);
}