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

int n[10000000], rez, a;

void citire()
 { 
   freopen("patrate2.in","r",stdin);
   freopen("patrate2.out","w",stdout);
   scanf("%d",&rez);
      		
}   

void inmultire(int A[], int B)
{
      int i, t = 0;
      for (i = 1; i <= A[0] || t; i++, t /= 10)
	      A[i] = (t += A[i] * B) % 10;
      A[0] = i - 1;
}

int main()
{
  citire();
  long long i;
  n[0]=1; n[1]=2;
  for (i=1; i<rez*rez; i++)
    inmultire(n,2);
  inmultire(n,rez);
  for (i=n[0]; i>=1; i--)
  printf("%d",n[i]);
  return 0;

}