/******************************************************************************

                            Online Java Compiler.
                Code, Compile, Run and Debug java program online.
Write your code in this editor and press "Run" button to execute it.

*******************************************************************************/

import java.util.*;
public class Main
{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int sum = 0;
		sum = n + (n * n)+ (n * n * n);
		System.out.println(sum);
	}
} import java.util.*; util.* java public class Main
{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int sum = 0;
		sum = n + (n * n)+ (n * n * n);
		System.out.println(sum);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int sum = 0;
		sum = n + (n * n)+ (n * n * n);
		System.out.println(sum);
	} main {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int sum = 0;
		sum = n + (n * n)+ (n * n * n);
		System.out.println(sum);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int sum = 0; sum 0 sum = n + (n * n)+ (n * n * n) sum n + (n * n)+ (n * n * n) n + (n * n)+ (n * n * n) n (n * n) n n (n * n * n) n * n * n n n n System.out.println(sum) System.out.println System.out System System.out sum String[] args args public class Main
{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int sum = 0;
		sum = n + (n * n)+ (n * n * n);
		System.out.println(sum);
	}
} public class Main
{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int sum = 0;
		sum = n + (n * n)+ (n * n * n);
		System.out.println(sum);
	}
} Main
/******************************************************************************

                            Online Java Compiler.
                Code, Compile, Run and Debug java program online.
Write your code in this editor and press "Run" button to execute it.

*******************************************************************************/

import java.util.*;
public class Main
{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int sum = 0;
		sum = n + (n * n)+ (n * n * n);
		System.out.println(sum);
	}
}
