using System;using System.Collections.Generic;using System.Linq;using System.Text;
namespace _1{ class Program { static void Main(string[] args) { int a, b, aux; Console.Write("Introduceti primul numar a = "); a = int.Parse(Console.ReadLine()); Console.Write("Introduceti al doilea numar b = "); b = int.Parse(Console.ReadLine()); Console.WriteLine("a={0}, b={1}", a, b); aux = a; a = b; b = aux; Console.Write("Dupa interschimbare a={0}, b={1}", a, b); Console.ReadKey(); } }}