#include<bits/stdc++.h>
using namespace std;
int main(){
    int s=1,n;
    cin>>n;
    for(int i=1;i<=n;i++)
        s*=2;
    cout<<s;
    return 0;
}

#include<bits/stdc++.h> using namespace std; int main() { srand(time(NULL)); cout<<rand(); return 0; }

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define MP(a,b) make_pair(a,b)
int main() {
	ios::sync_with_stdio ( false );
	int n, sum = 1;
	cin >> n;

	for ( int i = 0; i < n; i++ ) sum  = sum * 2;

	cout << sum;
	return 0;
}