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