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CodeforcesRound#227(Div.2)A.GeorgeandSleep

Note In the first sample George went to bed at 00:06 . Note that you should print the time only in the format 00:06 . That's why answers 0:06 , 00:6 and others will be considered incorrect. In the second sample, George went to bed yesterda

Note

In the first sample George went to bed at " 00:06 ". Note that you should print the time only in the format " 00:06 ". That's why answers " 0:06 ", " 00:6 " and others will be considered incorrect.

In the second sample, George went to bed yesterday.

In the third sample, George didn't do to bed at all.

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