#include <bits/stdc++.h>
#define MOD 1999999973
using namespace std;

ifstream fin("Igput.in");
ofstream fout("Igput.out");

/// a^100 = a^64 * a^32 * a^4
/// 100 (baza 10) = 1100100 (baza 2)

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


int main()
{
    long long a , n;
    fin >> a >> n;
    fout << P1(a , n) << "\n";
}