
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

    public static void main(String[] args) {
        int num = 0;
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
            String s = br.readLine();
            int x = Integer.parseInt(s);
            System.out.println(x * x * x);
        } catch (NumberFormatException e) {
        } catch (IOException 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