def check_num(string: str) -> bool:
    """
    Whether the input contains 'l' or 'o'.
    """
    return string.count("l") + string.count("o") > 0

def check_symbol(string: str) -> bool:
    """
    Whether the input contains 'a' or 's'.
    """
    return string.count("a") + string.count("s") > 0

def valid_draft(draft: str) -> bool:
    """
    Whether the input is valid or not.
    """
    return all([check_num(draft), check_symbol(draft)])

def count_patterns(string: str) -> int:
    """
    Sequence.
    """
    a = string.count("l") + string.count("o")
    b = string.count("a") + string.count("s")

    if a + b == 8:
        return 0
    else:
        return (2 ** a - 1) * (2 ** b - 1)

def main():
    draft = input()
    if not valid_draft(draft=draft):
        print(0)
    else:
        print(count_patterns(string=draft))
    
if __name__ == "__main__":
    main()