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 + " ");

        }

    }

}