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# Palindromic Time

Problem Description

Given a string A which represents a time in 24 hour HH:MM format.
Find the minimum number of minutes need to pass to reach palindromic time.
Let some time be XY:ZW then it is palindromic if X == W and Y == Z.

Problem Constraints
String A represents a valid time in HH:MM format.

Input Format
Given a string A.

Output Format
Return an integer.

Example Input
Input 1:
```A = "23:59"
```

Input 2:

```A = "21:00"
```

Example Output
Output 1:
`1`

Output 2:

`12`

Example Explanation
Explanation 1:
```After 1 minute time will be 00:00 which is a palindromic time.
```

Explanation 2:

```After 12 minute time will be 21:12 which is a palindromic time.
```

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a question? Checkout Sample Codes for more details.
Hints
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## Discussion

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