using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
public class MainClass {
public static void Main() {
string[] presidents = {"G", "H", "a", "H", "over", "Jack"};
string jones = presidents.Where(n => n.Equals("H")).DefaultIfEmpty().First();
if (jones != null)
Console.WriteLine("H was found.");
else
Console.WriteLine("H was not found.");
}
}