#include <iostream>
#include <fstream>
const int mod=1999999973;
using namespace std;

int ridicare(long long a, long long b)
{
    if (b==0)
        return 1;
    if (b%2==1)
        return a%mod*(ridicare((a%mod)*(a%mod),(b-1)/2))%mod;
    else
        return (ridicare((a%mod)*(a%mod),b/2))%mod;
}

int main()
{
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    long long a, b;
    f>>a>>b;
    g<<ridicare(a,b);
}