

import java.util.*;
import java.lang.*;
import java.io.*;


 public class Main
{
	public static void main (String[] args) throws java.lang.Exception{

	Scanner sc=new Scanner(System.in);
	int a=sc.nextInt();
	int b= a*a;
	int c= b*a;
	int d=a+b+c;
	
	System.out.println(d);
   sc.close();
	}

}

	


/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz