#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;
}
Nat P2(Nat a, Nat n)
{
    Nat p = 1, i = 0;
    Nat t[32];
    t[0] = a;
    for(i = 1;i <= 30;i++)
        t[i] = t[i - 1] * t[i - 1] % MOD;
    i = 0;
    while(n > 0)
    {
        if(n % 2 == 1)
            p = p * t[i] % MOD;
        n /= 2;
        i++;
    }
    return p;
}

int main()
{
    Nat a, n;
    fin >> a >> n;
    fout << P2(a, n);
    return 0;
}