#include <fstream>
#define k 1999999973

using namespace std;

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

long long  a, b;

long long  putere (long long n, long long p)
{
    long long  x;
    if(p==0)
        return 1;
    else
    {
        x = putere (n, p/2);
        if(p%2 == 0)
            return (x*x)%k;
        else
            return ((x*x)%k)*n %k;
    }
}
int main ()
{
    fin >> a >> b;
    fout << putere (a,b);
}