static void Main(string[] args)
        {
            TradeUnion union = getUnion();

            AddPartners(union);

            Console.WriteLine(union);
        }
 private static void AddPartners(TradeUnion union)
 {
     for (int i = 0; i < union.CountPartnerships(); i++)
     {
         String   partnershipInfo = Console.ReadLine();
         String[] split           = partnershipInfo.Split(' ');
         union.AddPartners(Convert.ToInt64(split[0]), Convert.ToInt64(split[0]));
     }
 }