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

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


///a^100 = a^64 * a^32 * a^4;
///100 (10) = 1100100 (2)
/// a
nat lgput1(nat a, nat n)
{
    nat p = 1;
    while(n)
    {
        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 << lgput1(a , n);
    return 0;
}