12 lines
174 B
Python
12 lines
174 B
Python
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t = input()
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D = int(input())
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h = int(t[:2])
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m = int(t[3:])
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m += D
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h += m//60
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m = str(m%60)
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m = "0" * (2-len(m)) + m
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h = str(h%24)
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h = "0" * (2-len(h)) + h
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print(h + ":" + m)
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