ALLOWED = set("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-")

s = str(input(""))
try:
    if not (1 <= len(s) <= 32):
        raise ValueError
    if not all(c in ALLOWED for c in s):
        raise ValueError
    if s[0] in "_-" or s[-1] in "_-":
        raise ValueError
    print("200")
except Exception as e:
    print("400")