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@@ -0,0 +1,25 @@
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+import sys
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+
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+repo: list[int] = []
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+damnnumbers: list[int] = []
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+
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+while True:
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+ try:
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+ repo = list(map(int, input().split()))
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+ except EOFError:
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+ break
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+
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+if len(repo) == 1:
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+ print(*repo)
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+ sys.exit(0)
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+
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+if repo:
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+ for i in range(len(repo)):
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+ if i == len(repo) - 1:
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+ damnnumbers.append(repo[i - 1] + repo[0])
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+ break
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+ damnnumbers.append(
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+ repo[i + 1] + repo[i - 1] if not i == 0 else repo[i + 1] + repo[-1]
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+ )
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+
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+print(" ".join(str(n) for n in damnnumbers))
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