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]));
}
}