using System;

using System.Text.RegularExpressions;

using static System.Console;

​

public class Program

{

    public static void Main()

    {

        string a = "Teste";

        string b = "Overflow";

        a += "|" + b;

        b = a.Split('|')[0];

        a = a.Split('|')[1];

        WriteLine($"a = {a} - b = {b}");

    }

}