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

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

int a,b;

unsigned long long P(unsigned long long a, unsigned long long b){
    if(b==0) return 1;
    if(b==1) return a;
    int c=P(a,b/2)%nr;
    if(b%2==0) return (c*c)%nr;
    else return ((c*c)%nr*a)%nr;
}

int main()
{
    fin>>a>>b;
    fout<<P(a,b);

    return 0;
}