using System;

public class Program

{

    public static void Main()

    {

        // ' or \' for a single quote.

        char c = '\'';

        Console.WriteLine($"Single quote: {c}");

        // \" for a double quote.

        c = '\"';

        Console.WriteLine($"Double quote: {c}");

        // \\ for a backslash.

        c = '\\';

        Console.WriteLine($"Backlash: {c}");

        // \0 for a null character.

        c = '\0';

        Console.WriteLine($"Null character: {c}");

        // \a for an alert character.

        c = '\a';

        Console.WriteLine($"Alert character: {c}");

        // \b for a backspace.

        c = '\b';

        Console.WriteLine($"Backspace: {c}");

        // \n for a new line.

        c = '\n';

        Console.WriteLine($"New line: {c}");

        // \r for a carriage return.

        c = '\r';

        Console.WriteLine($"Carriage return: {c}");

        // \t for a horizontal tab.

        c = '\t';

        Console.WriteLine($"Horizontal tab: {c}");

        // \v for a vertical tab.

        c = '\v';

        Console.WriteLine($"Vertical tab: {c}");

        c = '\xA9'; //Copyright Symbol

        // \x for a unicode character hex value.

        Console.WriteLine($"Copyright symbol: {c}");

    }

}