import static java.lang.System.out;
import java.util.Scanner;

class XCubic {
    public void run() {
        int input = new Scanner( System.in).nextInt();
        out.println( power( input, 3));
    }

    private int power( int num, int index) {
        if ( index < 2) {
            return num;
        }
        return num * power( num, index -1);
    }
}

public class Main {
    public static void main( String... args) {
        XCubic test = new XCubic();
        test.run();
    }
}
/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