#include <cstdio>
#define M 1999999973
using namespace std;

long long a,b,sol=1;
void Read(){

    freopen("lgput.in","r",stdin);
    scanf("%lld%lld",&a,&b);

}

void Pow(){

    long long i;

    for (i=0;(1<<i)<=b;++i)
        if (((1<<i)&b)>0) sol=(sol*a)%M;
        else a=(a*a)%M;
}

void Write(){

    freopen("lgput.out","w",stdout);
    printf("%lld",sol);
}
int main()
{
    Read();
    Pow();
    Write();
    return 0;
}