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