Problem Statement

In traP, the digital creation club of Institute of Science Tokyo, each member has a user ID called a traQ ID. A traQ ID must satisfy the following requirements.

• It is a string of at least 1 and at most 32 characters.
• It contains no characters other than uppercase English letters, lowercase English letters, Arabic digits, underscores, and hyphens A~Z a~z 0~9 _ -.
• Its first and last characters are not an underscore or a hyphen _ -.

You are about to join traP and are trying to register a given string $S$ as your traQ ID. Print 200 if it satisfies the above requirements, and 400 otherwise.

Constraints

• $1 \leq |S| \leq 100$
• The string $S$ consists of characters represented by ASCII codes 33 to 126. In particular, it does not contain half-width spaces.

Input

The input is given from standard input in the following format.

$S$

Output

Print the answer on one line, following the problem statement.

Sample

zoi_dayo

200

CPCTF{dummy}

400