public static void Main()
Console.WriteLine("Tnsert first number: ");
a = int.Parse(Console.ReadLine());
Console.WriteLine("Tnsert second number: ");
b = int.Parse(Console.ReadLine());
Console.WriteLine("Tnsert third number: ");
c = int.Parse(Console.ReadLine());
Console.WriteLine("New a = {0}, b = {1}", a, b);