import re

S = input().strip()

# Check length
if not (1 <= len(S) <= 32):
    print(400)

# Check first/last character
elif S[0] in "_-" or S[-1] in "_-":
    print(400)

# Check allowed characters
elif not re.fullmatch(r"[A-Za-z0-9_-]+", S):
    print(400)

# Valid
else:
    print(200)