using System;
using System.Linq;
class Program
{
static void Main() {
var array = new string[] { "c", "java", "c sharp", "c++", "python", "javascript" };
Console.WriteLine(array.ElementAt(2));
Console.WriteLine(array.First());
Console.WriteLine(array.Last());
}
}
/*
run:
c-sharp
c
javascript
*/