using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
public class MainClass {
public static void Main() {
string[] presidents = {"ant", "Hard", "Harrison", "Hayes", "Hoover", "Jack"};
IEnumerable items = presidents
.TakeWhile((s, i) => s.Length < 10 && i < 5);
foreach (string item in items)
Console.WriteLine(item);
}
}