using System;

​

public class BaseSvc{

    public string SvcBaseStr;

    public BaseSvc(){}

    public BaseSvc(string basesvc){

        SvcBaseStr = basesvc;

    }

}

public class UserSvc: BaseSvc{

    public UserSvc(){}

    public UserSvc(string svc): base(svc){}

    public void Main(){

        var test = new UserSvc("Jayden");

        Console.WriteLine(test.SvcBaseStr);

    }

}