from string import ascii_lowercase
import re


def is_registered(pass_: str) -> bool:
    if all((letter not in pass_) for letter in ascii_lowercase):
        return False
    pass_ = re.sub("[a-z]", "", pass_)
    if all((str(num) not in pass_) for num in range(10)):
        return False
    pass_ = re.sub("[0-9]", "", pass_)
    if pass_:
        return True
    return False


def main():
    S = input()
    replaced = set((S, ))

    for letter_idx in range(len(S)):
        replaced_tmp = set()
        for word in replaced:

            if word[letter_idx] == "l":
                replaced_tmp.add(word[:letter_idx] + "1" + word[letter_idx+1:])
            elif word[letter_idx] == "o":
                replaced_tmp.add(word[:letter_idx] + "0" + word[letter_idx+1:])
            elif word[letter_idx] == "a":
                replaced_tmp.add(word[:letter_idx] + "@" + word[letter_idx+1:])
            elif word[letter_idx] == "s":
                replaced_tmp.add(word[:letter_idx] + "$" + word[letter_idx+1:])
        replaced.update(replaced_tmp)

    replaced = filter(is_registered, replaced)
    print(len(list(replaced)))


if __name__ == "__main__":
    main()