using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Text;
public class MainClass
{
public static void Main()
{
ICollection<int> myCollection = new Collection<int>();
myCollection.Add(105);
myCollection.Add(232);
myCollection.Add(350);
Console.WriteLine("Contains {0}? {1}", 105, myCollection.Contains(105));
Console.WriteLine("Contains {0}? {1}", 232, myCollection.Contains(232));
}
}
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