#include <bits/stdc++.h>

using namespace std;

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

const int m = 1999999973;
long long a, b;
long long p = 1;

int main()
{
    fin >> a >> b;
    while(b>0)
    {
        if(b&1==1)
        {
            p = 1LL*(p%m*a%m)%m;
        }
        a = 1LL*(a%m*a%m)%m;
        b/=2;
    }
    fout << 1LL*p;
    return 0;
}