public static void Main()
Console.WriteLine("Enter Number1: ");
int num1 =Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Number2: ");
int num2=Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Operator to be use +,-, /, x");
string op =Console.ReadLine();
Console.WriteLine("The sum is:" +( num1 + num2));
Console.WriteLine("The difference is: " +(num1 - num2));
Console.WriteLine("The qoutient is" + (num1 / num2));
Console.WriteLine("The product is: " +(num1 * num2));