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  1. n = int(input())
  2. nums = []
  3. for i in range(n):
  4. num = int(input())
  5. if num % 3 == 0 and (num % 10 == 2 or num % 10 == 4):
  6. nums.append(num)
  7. if len(nums) >= 3:
  8. result = (nums[0] + nums[2]) ** 2
  9. print(result)
  10. else:
  11. print("Опачки!")
Success #stdin #stdout 0.08s 14124KB
stdin
5
42
28
24
32
84
stdout
15876