output_description: If A_1+A_2+A_3 is greater than or equal to 22, print `bust`; otherwise, print
  `win`.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      A_1 A_2 A_3
attempt: n = int(input())
  l = sorted(list(map(int, input().split())))
  for i, x in enumerate(l):
      l[i] = format(x, "63b")
  memo = [0] * 63
  for i in range(63):
      for j in range(n):
          if l[j][i] == "1":
              memo[-i - 1] += 1
  now = 1
  ans = 0
  mod = 10**9 + 7
  for x in memo:
      ans += (now * x * (n - x)) % mod
      now *= 2
  print(ans % mod)
  
problem_description: Statement
  
  Given are three integers A_1, A_2, and A_3.
  
  If A_1+A_2+A_3 is greater than or equal to 22, print `bust`; otherwise, print
  `win`.
samples: [{"input": "5 7 9", "output": "win\n    \n\n5+7+9=21, so print `win`.\n\n* * *"}, {"input": "13 7 2", "output": "bust\n    \n\n13+7+2=22, so print `bust`."}]