using System;
using System.Linq;
using System.Collections.Generic;
public class Program
{
public static void Main()
// Specify the data source.
int[] scores = new int[] { 97, 92, 81, 60 };
// Define the query expression.
IEnumerable<int> scoreQuery =
from score in scores
where score > 80
select score;
// Execute the query.
foreach (int i in scoreQuery)
Console.Write(i + " ");
}