using System;

public class Program {

  public static void Main() {

​

    string str1 = "study C# \nusing a great course!"; // use \n to add a new line to your string

    Console.WriteLine(str1);

​

    string str2 = "study C# \tusing a great course!"; // use \t to add a tab to your string

    Console.WriteLine(str2);

​

    string str3 = "study C#\\CSharp using a great course!";

    Console.WriteLine(str3);

​

  }

}