#include <fstream>
#define MOD 1999999973
#define Nat long long
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");

Nat P1(Nat a, Nat n)
{
    Nat p = 1;
    while(n > 0)
    {
        if(n % 2 == 1)
            p = p * a % MOD;
        n /= 2;
        a = a * a % MOD;
    }
    return p;
}

int main()
{
    Nat a, n;
    fin >> a >> n;
    fout << P1(a, n);
    return 0;
}