import java.util.*;
public class Main{
	public static final Scanner sc = new Scanner(System.in);
  	public static void main(String[] args){
    	int n = sc.nextInt();
      	long ans = 0;
      	for (int i=1; i<=3; i++){
        	ans += Math.pow(n, i);
        }
      	System.out.println(ans);
    }
} import java.util.*; util.* java public class Main{
	public static final Scanner sc = new Scanner(System.in);
  	public static void main(String[] args){
    	int n = sc.nextInt();
      	long ans = 0;
      	for (int i=1; i<=3; i++){
        	ans += Math.pow(n, i);
        }
      	System.out.println(ans);
    }
} Main public static final Scanner sc = new Scanner(System.in); sc new Scanner(System.in) public static void main(String[] args){
    	int n = sc.nextInt();
      	long ans = 0;
      	for (int i=1; i<=3; i++){
        	ans += Math.pow(n, i);
        }
      	System.out.println(ans);
    } main {
    	int n = sc.nextInt();
      	long ans = 0;
      	for (int i=1; i<=3; i++){
        	ans += Math.pow(n, i);
        }
      	System.out.println(ans);
    } int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc long ans = 0; ans 0 for (int i=1; i<=3; i++){
        	ans += Math.pow(n, i);
        } int i=1; int i=1; i 1 i<=3 i 3 i++ i++ i {
        	ans += Math.pow(n, i);
        } {
        	ans += Math.pow(n, i);
        } ans += Math.pow(n, i) ans Math.pow(n, i) Math.pow Math n i System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main{
	public static final Scanner sc = new Scanner(System.in);
  	public static void main(String[] args){
    	int n = sc.nextInt();
      	long ans = 0;
      	for (int i=1; i<=3; i++){
        	ans += Math.pow(n, i);
        }
      	System.out.println(ans);
    }
} public class Main{
	public static final Scanner sc = new Scanner(System.in);
  	public static void main(String[] args){
    	int n = sc.nextInt();
      	long ans = 0;
      	for (int i=1; i<=3; i++){
        	ans += Math.pow(n, i);
        }
      	System.out.println(ans);
    }
} Main
import java.util.*;
public class Main{
	public static final Scanner sc = new Scanner(System.in);
  	public static void main(String[] args){
    	int n = sc.nextInt();
      	long ans = 0;
      	for (int i=1; i<=3; i++){
        	ans += Math.pow(n, i);
        }
      	System.out.println(ans);
    }
}
