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  1. import sys
  2. n,k=input().split()
  3. n=int(n)
  4. k=int(k)
  5. print("-".join(sys.stdin.read().split()))
Success #stdin #stdout 0.03s 9828KB
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stdin
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2 2
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1-1
https://ideone.com/J21SKp
language:
Python 3 (python  3.9.5)
created:
16 days ago
visibility:
public

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