#include <fstream>
#define N 1999999973
#define ios ios_base::sync_with_stdio(false);

using namespace std;

ifstream cin("lgput.in");
ofstream cout("lgput.out");

unsigned b,exp,i;
unsigned long long rez,a;

int main()
{
    ios;
    cin.tie(0);
    cout.tie(0);
    cin>>b>>exp;
    rez=1;
    a=b;
    for (i=0;(1<<i)<=exp;i++){
        if ((1<<i)&exp) rez=(rez*a)%N;
        a=(a*a)%N;
    }
    cout<<rez;
    return 0;
}