#include <bits/stdc++.h>
using namespace std;
int main( )

{

long long n,sum=1;
cin>>n;
for (int i=1;i<=n;i++)
{
sum=sum*2;
}
cout<<sum;
return 0;

}

#include<iostream>
using namespace std;
int main(){
    unsigned long long x = 1, n;
    cin >> n;
    for(int i = 1; i <= n; i++)x *= 2;
    cout << x;
    return 0;
}

#include<cstdio>
#include<cmath>
int main()
{
    int n;
    scanf("%d",&n);
    printf("%d",(int)pow(2,n));
    return 0;
}

#include<iostream>
using namespace std;
int main()
{
int n,x=1;
cin>>n;
for(int i=1;i<=n;i++)
{
x*=2;
}
cout<<x;
return 0;
}