public static void Main()
Console.Write("Input 1 : ");
input1 = int.Parse(Console.ReadLine());
Console.Write("Input 2 : ");
input2 = int.Parse(Console.ReadLine());
Console.Write("Sum = {0} ",input1+input2);
Console.Write("Sub = {0} ",input1-input2);
Console.Write("Multiple = {0} ",input1*input2);
Console.Write("Divie = {0:n} ",(float)input1/input2);