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

using namespace std;

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

ull putlog(ull x, ull n){
    ull P = 1;
    while(n){
        if(n%2 == 1){
            P = (P*x)%MOD;
        }
        x = (x*x)%MOD;
        n = n/2;
    }
    return P;
}

int main()
{
    ull x,n;
    fin>>x>>n;
    fout<<(putlog(x,n)%MOD)<<'\n';
    return 0;
}