def check_command(pattern, command):
    text_length = len(command)
    binary = "{0:b}".format(pattern).zfill(text_length)
    if len(binary) > text_length:
        return False
    for i, char in enumerate(command):
        if char.isnumeric() and binary[i] == "1":
            return False
        if char.isalpha() and binary[i] == "0":
            return False

    return True


if __name__ == '__main__':
    # These "asserts" using only for self-checking and not necessary for auto-testing
    assert check_command(42, "12a0b3e4") == True, "42 is the answer"
    assert check_command(101, "ab23b4zz") == False, "one hundred plus one"
    assert check_command(0, "478103487120470129") == True, "Any number"
    assert check_command(127, "Checkio") == True, "Uppercase"
    assert check_command(7, "Hello") == False, "Only full match"
    assert check_command(8, "a") == False, "Too short command"
    assert check_command(5, "H2O") == True, "Water"
    assert check_command(42, "C2H5OH") == False, "Yep, this is not the Answer"