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import re |
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import sys |
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re_number = re.compile(r"([0-9]+(?:[.][0-9]*)?)") |
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sums = [] |
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entries = 0 |
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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(sums): |
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sums.append(float(piece) if re_number.fullmatch(piece) else piece) |
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elif isinstance(sums[i], float): |
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sums[i] += float(piece) |
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assert i + 1 == len(sums) |
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for piece in re_number.split(line): |
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print("{:.2f}".format(float(piece)) if re_number.fullmatch(piece) else piece, end="") |
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print() |
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entries += 1 |
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first = True |
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for entry in sums: |
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if isinstance(entry, float): |
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print("{:.2f}".format(entry / entries), end="") |
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first = False |
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else: |
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print(re.sub(r"\S", "*", entry) if first else entry, end="") |
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print() |
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