using System;

public class Program

{

    enum RoleTypes {

        TypeSystem,

        TypeRelation,

        TypeCustomer,

        TypeSupplier

    };

    public static void Main()

    {

        string roleName = "rola";

        string entityName = "entity";

        RoleTypes type = RoleTypes.TypeCustomer;

        string depiction = type switch {

                RoleTypes.TypeCustomer => "Klient",

                RoleTypes.TypeSupplier => "Dostawca",

                _ => "System"

        } + $", {roleName}, {entityName}";

        Console.WriteLine(depiction);

    }

}