#include <fstream>
#define M 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,m,p=1;
int main()
{
    f>>n>>m;
    while(m)
    {
        if(m%2==1)
            p=p*n%M;
        n=n*n%M;
        m=m/2;
    }
    g<<p;
    return 0;
}