#include <iostream>
#include <fstream>
using namespace std;
ifstream in("igput.in");
ofstream out("igput.out");
#define MOD 1999999973
int main()
{   unsigned long long n,p=1,P;
    in>>n>>P;
    while(P)
    {
         if(P%2==1)
         p=(p%MOD)*(n%MOD);
         n=(n%MOD)*(n%MOD);
         p=(P%MOD)/2;

    }
     out<<p%MOD;

    return 0;
}