[백준_JAVA] 2903 중앙 이동 알고리즘

import java.util.Scanner;

public class Main{
    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	 	
    	int N = sc.nextInt();
    	
    	System.out.print((int)Math.pow(Math.pow(2, N)+1,2));
        sc.close();
    }
}