#include <bits/stdc++.h>

using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int mdl = 1999999973;
#define ll long long
ll b, ex;

ll lgput(int b, int ex)
{
    if(ex == 0) return 1;
    if(ex == 1) return b;

    if(ex % 2)
     return lgput(1LL * b * b % mdl, ex / 2)* b % mdl;

    return lgput(1LL * b * b % mdl, ex / 2);

}

int main()
{
    fin >> b >> ex;

    fout << lgput(b, ex);
    return 0;
}