public static void Main()
Console.WriteLine("Enter the first number");
number1 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter the second number");
number2 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("{0} + {1} = {2}", number1, number2, number1 + number2);
Console.WriteLine("{0} - {1} = {2}", number1, number2, number1 - number2);
Console.WriteLine("{0} * {1} = {2}", number1, number2, number1 * number2);
Console.WriteLine("{0} / {1} = {2}", number1, number2, number1 / number2);
Console.WriteLine("{0} % {1} = {2}", number1, number2, number1 % number2);