import java.util.Scanner;
public class Main{
  public static void main(String args[]){
    Scanner sc=new Scanner(System.in);
    String a=sc.nextLine();
    double i=Double.parseDouble(a);
    int sum=0;
    for(double j=1;j<=3;j++){
      sum+=(int) Math.pow(i,j);
    }
    System.out.println(sum);
  }
}
/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