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

using namespace std;

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

nat lgput(nat a, nat n)
{
    nat p = 1;
    while(n)
    {
        if(n % 2 == 1) p = 1LL * p * a % MOD;
        n /= 2;
        a = 1LL * a * a % MOD;
    }
    return p;
}


int main()
{
    nat a, b;
    fin >> a >> b;
    fout << lgput(a,b);
    return 0;
}