using System;
using System.Linq;
class Program
{
static void Main() {
string[] array =
{
"play", "sing", "sci", "fi", "game", "pro", "dev" , "five",
"moon", "c#", "net", "cool", "programming"
};
int length = 3;
Console.WriteLine(array.Last(word => word.Length == length));
}
}
/*
run:
net
*/