#include <iostream>
#include <fstream>

#define mod 1999999973

using namespace std;

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

int main()
{
    unsigned int a,b,rez=1;
    f>>a>>b;
    rez=a,b--;
    while(b-1)
        {
            if(b%2)
              rez=(rez*a)%mod;
            rez=(rez*rez)%mod;
            b/=2;
        }
    g<<rez;
    return 0;
}