static Tree<int> GenerateTree()
{
Tree<int> tree = new Tree<int>(0);
int n = int.Parse(Console.ReadLine());
for(int i = 0; i < n - 1; i++)
{
string line = Console.ReadLine();
int parentValue = int.Parse(line.Split(' ')[0]);
int childValue = int.Parse(line.Split(' ')[1]);
Tree<int> parent;
Tree<int> child = new Tree<int>(childValue);
if(i == 0)
{
parent = new Tree<int>(parentValue);
tree = parent;
}
else
{
parent = tree.FindSubtree(parentValue);
}
parent.Children.Add(child);
}
return tree;
}