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