static void Main()
{
var collection = Console.ReadLine().Split();
var removesCount = int.Parse(Console.ReadLine());
AddCollection addCollection = new AddCollection();
AddRemoveCollection addRemoveCollection = new AddRemoveCollection();
MyList myList = new MyList();
var sb1 = new StringBuilder();
var sb2 = new StringBuilder();
var sb3 = new StringBuilder();
for (int index = 0; index < collection.Length; index++)
{
sb1.Append(addCollection.AddToEnd(collection[index])).Append(" ");
sb2.Append(addRemoveCollection.AddToStart(collection[index])).Append(" ");
sb3.Append(myList.AddToStart(collection[index])).Append(" ");
}
Console.WriteLine(sb1.ToString().Trim());
Console.WriteLine(sb2.ToString().Trim());
Console.WriteLine(sb3.ToString().Trim());
sb1.Clear();
sb2.Clear();
for (int index = 0; index < removesCount; index++)
{
sb1.Append(addRemoveCollection.RemoveFromEnd()).Append(" ");
sb2.Append(myList.RemoveFromStart()).Append(" ");
}
Console.WriteLine(sb1.ToString().Trim());
Console.WriteLine(sb2.ToString().Trim());
}