import java.util.Scanner;

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

		System.out.println(firstInt + firstInt * firstInt + firstInt * firstInt * firstInt);

		sc.close();

	}

} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int firstInt = sc.nextInt();

		System.out.println(firstInt + firstInt * firstInt + firstInt * firstInt * firstInt);

		sc.close();

	}

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

		System.out.println(firstInt + firstInt * firstInt + firstInt * firstInt * firstInt);

		sc.close();

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

		System.out.println(firstInt + firstInt * firstInt + firstInt * firstInt * firstInt);

		sc.close();

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int firstInt = sc.nextInt(); firstInt sc.nextInt() sc.nextInt sc System.out.println(firstInt + firstInt * firstInt + firstInt * firstInt * firstInt) System.out.println System.out System System.out firstInt + firstInt * firstInt + firstInt * firstInt * firstInt firstInt + firstInt * firstInt + firstInt * firstInt * firstInt firstInt firstInt * firstInt firstInt firstInt firstInt * firstInt * firstInt firstInt * firstInt * firstInt firstInt firstInt firstInt sc.close() sc.close sc String[] args args public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int firstInt = sc.nextInt();

		System.out.println(firstInt + firstInt * firstInt + firstInt * firstInt * firstInt);

		sc.close();

	}

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

		System.out.println(firstInt + firstInt * firstInt + firstInt * firstInt * firstInt);

		sc.close();

	}

} Main
import java.util.Scanner;

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

		System.out.println(firstInt + firstInt * firstInt + firstInt * firstInt * firstInt);

		sc.close();

	}

}