/*
 *
 *
  info-arena 2.0 - Arhiva - Patrate2
 *
 *
 */

#include<stdio.h>
#include<math.h>

#define INPUT "patrate2.in"
#define OUTPUT "patrate2.out"

FILE *fin=fopen(INPUT, "r"),*fout=fopen(OUTPUT, "w");

int main()
{
  int n,b;
  long long total=0;
  fscanf(fin, "%d", &n);
  b=n*n;
  total=1<<b;
  for(int i=1;i<=n;++i)
    total*=i;
  fprintf(fout, "%lld\n", total);
  fclose(fin);
  fclose(fout);
  return 0;
}