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inp
  |> String.split("\n", trim: true)
  |> Enum.map(&String.split(&1, "\t"))
  |> Enum.map(fn a -> a |> Enum.map(&String.to_integer/1) end)
  |> Enum.map(fn a -> [Enum.max(a), Enum.min(a)] end)
  |> Enum.map(fn [a, b] -> a - b end)
  |> Enum.sum()
  |> IO.inspect()

defmodule Helper do

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sudo apt-get install gdb
pip install pyrasite
pyrasite-shell {pid}

import sys, traceback
for tid, frame in sys._current_frames().items():
 print("Stack for thread {}".format(tid))

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