import java.util.*;

public class Kalkulator {
    static Scanner userInput = new Scanner(System.in);
    public static void main(String[] arg) {

        System.out.print("Input your first number");
        int ena = userInput.nextInt();
        System.out.println("Input your second number");
        int dva = userInput.nextInt();
        System.out.println("What logical operation would you like to perform(E.g. + ,  - , / , *)?");
        String placeholder = userInput.next(); //Grabs the user's input in String
        char op = placeholder.charAt(0); //This grabs the first letter/character of the placeholder variable that I've assigned above

        /*\
         * I'll now perform all the logical operations before
         * So that I simply output them based
         * On the user's input
         */
        int totalSum = ena + dva;
        int totalSub = ena - dva;
        int totalDiv = ena / dva;
        int totalMul = ena * dva;

        if(op == '+'){
        System.out.print("Total sum = " + totalSum);
        }
        else if(op == '-'){
        System.out.print("Total subtraction = " + totalSub);
        }
        else if(op == '*'){
        System.out.print("Total multiplication = " + totalMul);
        }
        else if(op == '/'){
        System.out.print("Total division = " + totalDiv);
        }
        else{ System.out.println("You have inputted an invalid operator");}
        /*
         * The above code if what we call
         * Nested condition
         * This is basically checking one by one
         * Whether the user's operator input is equal to one of the above.
         * If you user hasn't inputted a correct input (E.g 'a')
         * The console will print out the error
         */
   }
}