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- n = int(input().strip())
- for i in range(n):
- head, leg = map(int, input().strip().split())
- flag = False
- for chick in range(head + 1):
- for hair in range(head + 1):
- if chick + hair == head and chick * 2 + hair * 4 == leg:
- print(chick, hair)
- flag = True
- break
- if not flag:
- print("No answer")
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