Practice Loops and Conditions with the exercise "7-segment scanner"

Learning Opportunities

This puzzle can be solved using the following concepts. Practice using these concepts and improve your skills.

Loops
Conditions
String manipulation
Ascii Art

Statement

Goal

Given an ASCII art representation of 7-segment display you need to convert it to a number.

Note: number should be converted as is, including leading zeroes.

Input

3 lines: 7-segment display image consisting only of vertical lines, underscores and spaces.
Length of every line is divisible by 3 (so trailing spaces are preserved).

Output

One line: The number. Leading zeros should be preserved.

Constraints

3 ≤ digit count ≤ 300

Example

Input

 _     _  _     _  _  _  _  _ 
| |  | _| _||_||_ |_   ||_||_|
|_|  ||_  _|  | _||_|  ||_| _|

Output

0123456789

Solve it

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