using System;

public class Program

{

    public static void Main()

    {

        int num1 = 5;

        int num2 = 10;

        Swap(ref num1, ref num2);

        Console.WriteLine($"The swapped numbers are num1 = {num1} and num2 = {num2}");

    }

    public static void Swap(ref int int1, ref int int2)

    {

        int temp = int1;

        int1 = int2;

        int2 = temp;

    }

}