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

ifstream fin("lgput.in");
ofstream fout("lgput.out");
ll LgPut(ll a, ll b)
{
    ll p = 1;
    while (b)
    {
        if (b % 2 == 1)
            p = p * a % MOD;
        a = a * a % MOD;
        b /= 2;
    }
    return p;
}
int main()
{
    ll a, b;
    fin >> a >> b;
    fout << LgPut(a, b) << "\n";


    return 0;
}