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

int pow(int a, int p)
{
    int rez = 1;
    while(p)
    {
        if(p & 1)
            rez = (1ll * rez * a) % MOD;
        p >>= 1;
        a = (1ll * a * a) % MOD;
    }
    return rez;
}

int main()
{
    long long a, b;
    fin >> a >> b;
    fout << pow(a % MOD, b%(MOD - 1));
}