using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
Console.WriteLine(Regex.Replace("This is string", @"(?<=^.{2}).", ""));
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CiAKcHVibGljIGNsYXNzIFRlc3QKewpwdWJsaWMgc3RhdGljIHZvaWQgTWFpbigpCnsKQ29uc29sZS5Xcml0ZUxpbmUoUmVnZXguUmVwbGFjZSgiVGhpcyBpcyBzdHJpbmciLCBAIig/PD1eLnsyfSkuIiwgIiIpKTsKCn0KfQ==