a = IO.gets("Enter a string: ")      |> String.strip
b = IO.gets("Enter an integer: ")    |> String.strip |> String.to_integer
f = IO.gets("Enter a real number: ") |> String.strip |> String.to_float
IO.puts "String  = #{a}"
IO.puts "Integer = #{b}"
IO.puts "Float   = #{f}"