A. Helpers

with Ada.Text_Io;
with Ada.Integer_Text_IO;
with Ada.Float_Text_Io;
with Ada.Characters.Latin_1; use Ada.Characters.Latin_1;
with Ada.Numerics.Discrete_Random;
with Ada.Numerics.Float_Random;
with Ada.Numerics.Elementary_Functions;
with Ada.Numerics.Generic_Complex_Types;
with Ada.Text_IO.Editing;
with Ada.Strings.Bounded;
with Ada.Strings.Unbounded;
with Gnat.Regpat;