using System;
namespace Enum
{
class Program
{
static void Main(string[] args)
{
string s = "asdfghj;zxcvb";
var index = s.IndexOf(';');
Console.WriteLine(s.Substring(index -4, 4));
}
}
}
dXNpbmcgU3lzdGVtOwoKbmFtZXNwYWNlIEVudW0KewogICAgY2xhc3MgUHJvZ3JhbQogICAgewogICAgICAgIHN0YXRpYyB2b2lkIE1haW4oc3RyaW5nW10gYXJncykKICAgICAgICB7CiAgICAgICAgICAgIHN0cmluZyBzID0gImFzZGZnaGo7enhjdmIiOwogICAgICAgICAgICB2YXIgaW5kZXggPSBzLkluZGV4T2YoJzsnKTsKICAgICAgICAgICAgQ29uc29sZS5Xcml0ZUxpbmUocy5TdWJzdHJpbmcoaW5kZXggLTQsIDQpKTsKICAgICAgICB9CiAgICB9Cn0=