import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = a*a;
		int ans = a+b;
		b=a*a*a;
		ans=ans+b;


		System.out.println(ans);

	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = a*a;
		int ans = a+b;
		b=a*a*a;
		ans=ans+b;


		System.out.println(ans);

	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = a*a;
		int ans = a+b;
		b=a*a*a;
		ans=ans+b;


		System.out.println(ans);

	} main {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = a*a;
		int ans = a+b;
		b=a*a*a;
		ans=ans+b;


		System.out.println(ans);

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = a*a; b a*a a a int ans = a+b; ans a+b a b b=a*a*a b a*a*a a*a*a a a a ans=ans+b ans ans+b ans b System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = a*a;
		int ans = a+b;
		b=a*a*a;
		ans=ans+b;


		System.out.println(ans);

	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = a*a;
		int ans = a+b;
		b=a*a*a;
		ans=ans+b;


		System.out.println(ans);

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = a*a;
		int ans = a+b;
		b=a*a*a;
		ans=ans+b;


		System.out.println(ans);

	}

}
