import java.util.ArrayList;
import java.util.LinkedList;
import java.util.Scanner;

public class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int a  = sc.nextInt();
    
    System.out.println(a*a*a + a*a + a);

  }
} import java.util.ArrayList; ArrayList java.util import java.util.LinkedList; LinkedList java.util 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();
    
    System.out.println(a*a*a + a*a + a);

  }
} Main public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int a  = sc.nextInt();
    
    System.out.println(a*a*a + a*a + a);

  } main {

    Scanner sc = new Scanner(System.in);
    int a  = sc.nextInt();
    
    System.out.println(a*a*a + a*a + a);

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

    Scanner sc = new Scanner(System.in);
    int a  = sc.nextInt();
    
    System.out.println(a*a*a + a*a + a);

  }
} public class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int a  = sc.nextInt();
    
    System.out.println(a*a*a + a*a + a);

  }
} Main
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.Scanner;

public class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);
    int a  = sc.nextInt();
    
    System.out.println(a*a*a + a*a + a);

  }
}