# include <fstream>
# define MOD 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long a,p,n;
int main ()
{
    f>>a>>n;
    p=1;
    while(n>0)
    {
        if(n%2==1)
        {
            p=p*a;
            p%=MOD;
            --n;
        }
        else
        {
            a=a*a;
            a%=MOD;
            n=n/2;
        }
    }
    g<<p<<"\n";
    return 0;
}