import re

def validate_id(ID):
    if not (1 <= len(ID) <= 32):
        return "400"
    if ID[0] == "_" or ID[0] == "-":
        return "400"
    if not re.match(r"^[A-Za-z0-9_-]+$", ID):
        return "400"
    else:
        return "200"

ID = str(input())
print(validate_id(ID))