from os import system
from sys import argv
if len(argv) > 4:
    print("This command takes one or zero arugments.")
else:
    if len(argv) == 4:
        print(argv[3] + ": ")
    print(""" _     __  __    _    ___   
| |   |  \/  |  / \  / _ \  
| |   | |\/| | / _ \| | | | 
| |___| |  | |/ ___ \ |_| | 
|_____|_|  |_/_/   \_\___/  """)