using System;
using System.Linq;
class Program
{
static void Main() {
int[] arr = { 3, 7, 0, 11, 89, 30, 99, 40, 50, 26 };
int X = 9, Y = 40;
var result = from number in arr
where number >= X && number <= Y
select number;
foreach (var num in result)
Console.WriteLine(num);
}
}
/*
run:
11
30
40
26
*/