#include <fstream>
#include <iostream>
#define p 1999999973
using namespace std;
long long pow(long long baza,long long exponent)
{
    if(exponent==0)
        return 1;
    else
    if(exponent%2==0)
    {
        return (pow((baza%p*baza%p)%p,exponent/2)%p);
    }
    else
    {
        return (baza%p*pow(baza%p*baza%p,(exponent-1)/2)%p)%p;
    }
}
int main()
{
    ifstream in ("lgput.in");
    ofstream out ("lgput.out");
    long long a,b,c=0;
    in>>a>>b;
    c=pow(a,b);
    out<<c%p;
    return 0;
}