public static void Swap <T>(List <GenericBox <T> > list, int firstPosition, int secondPosition)
{
GenericBox <T> oldFirstPosition = list[firstPosition];
list[firstPosition] = list[secondPosition];
list[secondPosition] = oldFirstPosition;
}
static void Main(string[] args)
{
int n = int.Parse(Console.ReadLine());
List <GenericBox <int> > intGenericBoxs = new List <GenericBox <int> >();
for (int i = 0; i < n; i++)
{
int number = int.Parse(Console.ReadLine());
GenericBox <int> intGenericBox = new GenericBox <int>(number);
intGenericBoxs.Add(intGenericBox);
}
int[] positions = Console.ReadLine().Split().Select(int.Parse).ToArray();
int firstPositions = positions[0];
int secondPosition = positions[1];
GenericBox <string> .Swap(intGenericBoxs, firstPositions, secondPosition);
foreach (var intGenericBox in intGenericBoxs)
{
Console.WriteLine(intGenericBox);
}
}