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EICBNLOCK - Combination Lock

Phuc as a combination block which  is represented by n rotating disks with digits from 0 to 9 written on them. He has to turn some disks so that the combination of digits on the disks forms a secret combination. In one move, he can rotate one disk one digit forwards or backwards. In particular, in one move he can go from digit 0 to digit 9 and vice versa. What minimum number of actions does he need for that?

 

Input

Input description...

Output

Output description...

Example

Input:
5
82195
64723

Output:
13

Added by:Ha Minh Ngoc
Date:2022-05-23
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
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