import java.io.*;
 
public class Main {
 public static void main(String args[]) throws IOException {
  BufferedReader b=new BufferedReader(new InputStreamReader(System.in));
  String bs=b.readLine();
  try{
   int bi=Integer.parseInt(bs);
   int x=bi;
   for(int i=0;i<2;i++){
    x=x*bi;
   }
   System.out.println(x);
  }catch(NumberFormatException e){
      e.printStackTrace();
  }
 }
}
/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