WAP to swap two numbers

 using System;

using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace swap
{
Class Program
{
static void main(string[] args)
{

int A, B, C;

Console.WriteLine("Input first number.");

A= Convert.ToInt32(Console.ReadLine());

Console.WriteLine("Input second number.");

B= Convert.ToInt32(Console.ReadLine());

Console.WriteLine("The number before swapping are : A={0} B= {1}", A,B)

C= A;

A= B;

B = C;

Console.WriteLine("The number after swapping are: A={0}  B = {1}", A,B);

Console.ReadLine();

}

}

}

OUTPUT:

Input first number. 5

Input second number. 6

The number before swapping are : A = 5  B = 6

The number after swapping are : A= 6      B= 5