#include <iostream>
#include <cmath>
#include <fstream>
using namespace std;
int P, Q, A, B, BFACT=1, i, j;
ifstream f("gfact.in");
ofstream g("gfact.out");
int main()
{
     f >> P >> Q;
     A = pow(P,Q);
     for (i = 1; i <= A/2; i++)
         BFACT = BFACT*i;
    for (j = 2; j <= A/2-1; j++)
        B=BFACT/i;
     if (BFACT%A==0)
        g << B;

return 0;
}