import java.io.*;
public class Main{  
    public static void main(String[] args){
        try{
            BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
			String txt1 = reader.readLine();
			int x = Integer.parseInt(txt1);
			int num;
			num = x * x * x;
			System.out.println(num);
        }catch(IOException e){
            System.out.println(e);
        }
    }
}
/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