import re

S = input().strip()


def check(id: str):
    if len(id) < 1 or 32 < len(id):
        return False

    if not re.search("^[A-Za-z0-9_-]+$", id):
        return False

    if id[0] in "-_" or id[-1] in "-_":
        return False

    return True


if check(S):
    print(200)
else:
    print(400)