#include <iostream>
#include <fstream>

using namespace std;

ifstream f ("lgput.in");
ofstream g ("lgput.out");

int main()
{
   long long n,p,nr = 1999999973;
   long long rez = 1;
   f>>n>>p;

   while (p > 0)
   {
       if(p%2==1) /// ii impara
       {
           rez = (rez*n) % nr;
           p--;
       }
       n = (n*n) % nr;
       p = p / 2;
   }
   g<< rez;
   return 0;

}