#include<stdio.h> 
#include<stdlib.h> 
#include<string.h> 
#include<ctype.h> 
#include<math.h> 
int a[10005];
void ans(int k)
{
	k=2;
	int i;
	for(i = 0;i<10000;i++){
		a[i]=a[i]*k;
	}
	
	for(i = 0;i<10000;i++){
		a[i+1] = a[i+1]+a[i]/10;
		a[i]=a[i]%10;
	}
	
	
	
}
int main()
{
	int n;
	scanf("%d",&n);
	a[0]=2;
	int i;
	int k = 2;
	for(i=1;i<n;i++){
		ans(k);
	}
	int p;
	for(i=10005;i>=0;i--){
		if(a[i]!=0){
			p=i;
			break;
		}
	}
	for(i=p;i>=0;i--){
		printf("%d",a[i]);
	}
	
	
	
	return 0;
}
/**************************************************************
	Problem: 1280
	User: admin
	Language: C
	Result: Accepted
	Time:15 ms
	Memory:1184 kb
****************************************************************/