defmodule Main do def input, do: IO.read(:line) |> String.trim def ii, do: input() |> String.to_integer def li, do: input() |> String.split |> Enum.map(&String.to_integer/1) def yn(b), do: IO.puts(if b, do: "Yes", else: "No") def main do input() s = input() |> String.to_charlist {_, xs} = List.pop_at(s, length(s)-1) xs |> Enum.drop(1) |> IO.puts end end