Rock and Jono are communicating using a forbidden encryption method.

Jono: When is the school dismissal times <<< Third clue is this word
Rock: WTF 
Jono: Thank you

Please help Rock to encrypt the messages.

Input

The input consist of an integer $A$ $(1 \le A \le 777777777)$. All digits $D$ of $A$ must be from $1$ to $7$.

Output

Output a string.