class Main
{
	public static void main(String[] args) throws java.io.IOException
	{
		java.io.BufferedReader br = new java.io.BufferedReader( new java.io.InputStreamReader( System.in ) );
		
		int x = Integer.parseInt( br.readLine() );
		System.out.println( (int) Math.pow( x, 3 ) );
	}
}
/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