using System;

public class Program

{

    public static void Main()

    {

        // In one line

        int xor1 = 10 ^ 25 ^ 40;

​

        // In separate lines

        int xor2 = 10 ^ 25;

        xor2 ^= 40;

        Console.WriteLine(xor1);

        Console.WriteLine(xor2);

    }

}