#include <bits/stdc++.h>
#define MOD 1999999973
#define ull unsigned long long

using namespace std;

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

ull LogPow(ull x, ull n)
{
    if (n == 0) return 1;
    else if (n % 2 == 0) return LogPow(x * x % MOD, n / 2);
    else return x * LogPow(x * x % MOD, n / 2) % MOD;
}

ull x, n;

int main()
{
    fin >> x >> n;
    fout << LogPow(x, n);
    return 0;
}