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