import java.util.Scanner;
public class Main {
public static void main(String [] args) {
Scanner scanner = new Scanner(System.in);
int n = scanner.nextInt();
System.out.println((int)Math.pow(2, n));
}
}
import java.util.Scanner;
public class Main {
public static void main(String [] args) {
Scanner scanner = new Scanner(System.in);
int n = scanner.nextInt();
System.out.println((int)Math.pow(2, n));
}
}