using System;
using System.Collections.Generic;
using System.Linq;
public class MainClass {
public static void Main() {
string[] names = { "Tom", "Dick", "Harry", "Mary", "Jay" };
IEnumerable filtered = names.Where(n => n.Contains("a"));
IEnumerable sorted = filtered.OrderBy(n => n.Length);
IEnumerable finalQuery = sorted.Select(n => n.ToUpper());
foreach (string name in filtered)
Console.Write(name + "|");
Console.WriteLine();
foreach (string name in sorted)
Console.Write(name + "|");
Console.WriteLine();
foreach (string name in finalQuery)
Console.Write(name + "|");
}
}