using System;
using System.Collections.Generic;
using System.Text;

public class MyClass
{
	public static void Main()
	{
		string s = @"wefdfmsad fsd fsd   sdfsdf s fw eerf wef 45 tet h4687ir '' 45t4rg ' ' 'e rtg 45t45t "
			+ "\"\"\"\"\"\"iunhoi\"ion\"oin\"oin\"\"oin  \"\"\"\"p popompm \"\"\" wsrfs f we f34rfg 45gerg "
			+ "\\popok\\pokpok \\ \\ \\ \\\\ po m \\\\ \\\\ompom rgt 4erg 45g`````oinp```ponpo`pom```````` "
			+ "pomm´´´´´ ´ ´´pmpoom´´´´´pompom´´´´popio3m5rg 45 geh3 56htwge rt245g56ygergeggggggggge´´´´´´"
			+ "’’’’’’’’ponpoompo’’’ ’ ’pom po lo kjbojb98inl ’’’pj09i op’09j’’’’09u0inuog’’’  ’’0o9unio o’’"
			+ "fwr sdfe rtgefg e5 y4r gdfgdf ‘‘‘‘‘‘piojp p‘‘‘jpoj‘oi‘‘‘‘piojpu09j‘‘‘‘pojpoj09jhn‘‘‘09u0'9jp";
		
		string s1;
		
		WL(EscapeString(s));
		
		DateTime dt1 = DateTime.Now;
		for (int i = 0; i < 1000000; i++)
		{
			s1 = EscapeString(s);
		}
		WL(DateTime.Now - dt1);
		
		DateTime dt2 = DateTime.Now;
		for (int i = 0; i < 1000000; i++)
		{
			s1 = EscapeStringNew(s);
		}
		WL(DateTime.Now - dt2);
		
		RL();
	}
	
	public static string EscapeString(string value)
	{
		value = value.Replace("\\", "\\\\");
		value = value.Replace("\'", "\\\'");
		value = value.Replace("\"", "\\\"");
		value = value.Replace("`", "\\`");
		value = value.Replace("´", "\\´");
		value = value.Replace("’", "\\’");
		value = value.Replace("‘", "\\‘");
		return value;
	}
	
	public static string EscapeStringNew(string value)
	{
		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < value.Length; i++)
		{
			if (value[i] == '\\' 
				|| value[i] == '\''
				|| value[i] == '\"'
				|| value[i] == '`'
				|| value[i] == '´'
				|| value[i] == '’'
				|| value[i] == '‘')
				sb.Append("\\");
			sb.Append(value[i]);
		}
		return sb.ToString();
	}
	
	#region Helper methods

	private static void WL(object text, params object[] args)
	{
		Console.WriteLine(text.ToString(), args);	
	}
	
	private static void RL()
	{
		Console.ReadLine();	
	}
	
	private static void Break() 
	{
		System.Diagnostics.Debugger.Break();
	}

	#endregion
}