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import re |
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import sys |
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re_number = re.compile(r"(?:^|(?<=[:\s]\s))([0-9]+(?:[.][0-9]*)?)") |
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line = sys.stdin.readline().rstrip("\n") |
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print(line) |
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references = [float(piece) if re_number.fullmatch(piece) else None for piece in re_number.split(line)] |
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for line in sys.stdin: |
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line = line.rstrip("\n") |
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for i, piece in enumerate(re_number.split(line)): |
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if i >= len(references): continue |
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if references[i] is not None and re_number.fullmatch(piece): |
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piece = "{:.2f}".format(float(piece) - references[i]) |
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print(piece, end="") |
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print() |
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