using System;

public class M5Activity

{

    public static int firstnum;

    public static int secondnum;

    public static string symbol;

    public static void Main(){

        GetValue();

​

        Console.WriteLine("Enter your operation [+, -, *, /]: ");

        symbol = Console.ReadLine();

        DisplayResult();

    }

    static int Add(int x, int y){

        int addition = x+y;

        return addition;

    }

    static int Subtract(int x, int y){

        int subtract = x-y;

        return subtract;

    }

    static int Multiply(int x, int y){

        int multiply = x*y;

        return multiply;

    }

    static int Divide(int x, int y){

        int divide = x/y;

        return divide;

    }

    public static void GetValue()

    {

        Console.WriteLine("M5: Activity 1");

        Console.WriteLine("Enter your first number: ");

        firstnum = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter your second number: ");

        secondnum = Convert.ToInt32(Console.ReadLine());

    }

    public static void DisplayResult(){ 

        if(symbol == "+"){

            Console.WriteLine("Sum: " + Add(firstnum, secondnum));

        }

        else if(symbol == "-"){

            Console.WriteLine("Difference: " + Subtract(firstnum, secondnum));

        }

        else if(symbol == "*"){

            Console.WriteLine("Product: " + Multiply(firstnum, secondnum));

        }

        else if(symbol == "/"){

            Console.WriteLine("Quotient: " + Divide(firstnum, secondnum));

        }

        else{

            Console.WriteLine("Invalid Operation....");

    }

    }

}