B.hs:4:1: Warning:
    Top-level binding with no type signature:
      answer_to_live_the_universe_and_everything :: Int

B.hs:5:12: Warning:
    Defaulting the following constraint(s) to type ‘Integer’
      (Enum a0)
        arising from the arithmetic sequence ‘1 .. 23 * 2’ at B.hs:5:12-20
      (Num a0) arising from the literal ‘1’ at B.hs:5:13
    In the first argument of ‘length’, namely ‘[1 .. 23 * 2]’
    In the first argument of ‘(-)’, namely ‘length [1 .. 23 * 2]’
    In the expression: length [1 .. 23 * 2] - 4

A.hs:7:1: Warning:
    Top-level binding with no type signature: main :: IO ()

B.hs:4:1: Warning:
    Top-level binding with no type signature:
      answer_to_live_the_universe_and_everything :: Int

B.hs:5:12: Warning:
    Defaulting the following constraint(s) to type ‘Integer’
      (Enum a0)
        arising from the arithmetic sequence ‘1 .. 23 * 2’ at B.hs:5:12-20
      (Num a0) arising from the literal ‘1’ at B.hs:5:13
    In the first argument of ‘length’, namely ‘[1 .. 23 * 2]’
    In the first argument of ‘(-)’, namely ‘length [1 .. 23 * 2]’
    In the expression: length [1 .. 23 * 2] - 4

A.hs:7:1: Warning:
    Top-level binding with no type signature: main :: IO ()