import re

ID = str(input())

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