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Sum up the hours and minutes

Input time format: HH:MM
Where HH represents hours and MM represents minutes
In the result, the number of hours can be greater than 24.

Example:
06:25
07:45
07:45
08:30
05:40
Sum
36:05

Calculate for:
07:25
06:05
09:05
07:05
04:25 Do not include the following keywords: format, minute, number, time
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