#include <iostream>
#include <fstream>
#define mod 1999999973
typedef long long ll;

using namespace std;

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

ll exponentiere(ll x, ll n)
{
    if(n==0) return 1;
    else if(n==1) return x % mod;
    if(n%2==0) exponentiere(x * x % mod,  n / 2 % mod);
    else if(n%2==1) exponentiere(x * x % mod, (n - 1) / 2 % mod);
}

int main()
{
    ll baza, exponent;
    in >> baza >> exponent;
    out << exponentiere(baza, exponent) % mod;
    return 0;
}