Swap reference parameters

Create a function named Swap to swap the values of two integer numbers, which are passed by reference.

Input

Output

Solution

using System;
public class FunctionSwapReferenceParams
{
    public static void Main(string[] args)
    {
        int x = Convert.ToInt32(Console.ReadLine());
        int y = Convert.ToInt32(Console.ReadLine());

        Swap(ref x, ref y);
        Console.WriteLine("{0} {1}", x, y);
    }

    public static void Swap(ref int x, ref int y)
    {
        int swap = x;
        x = y;
        y = swap;
    }
}