using System;

public class Store

{

    static int x= 100;

    public static int Storing(int a)

    {

        int temp = x;

        x = a;

        return temp;

    }

}

​

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Store.Storing(5));

        Console.WriteLine(Store.Storing(2));

        Console.WriteLine(Store.Storing(8));

    }

}