OperationBetweenNumbers

import java.util.Scanner;

public class OperationsBetweenNumbers {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int a = Integer.parseInt(scanner.nextLine());
        int b = Integer.parseInt(scanner.nextLine());
        String c = scanner.nextLine();
        int sum = a + b;
        int razlika = a - b;
        int umn = a * b;
        if (b == 0) {
            if (c.equals("%") || c.equals("/")) {
                System.out.print("Cannot divide ");
                System.out.print(a);
                System.out.println(" by zero");
            }
        }
        if (c.equals("+")) {
            if (sum > 0 && (sum % 2) == 1) {
                System.out.print(a + " + " + b + " = " + sum + " - odd");
            } else if (sum % 2 == 0 && sum > 0) {
                System.out.print(a + " + " + b + " = " + sum + " - even");
            } else if (sum < 0 && -sum % 2 == 1) {
                System.out.print(a + " + " + b + " = " + sum + " - odd");
            } else if (sum < 0 && -sum % 2 == 0) {
                System.out.print(a + " + " + b + " = " + sum + " - even");
            }
        } else if (c.equals("-")) {
            if (razlika % 2 == 1 && razlika > 0) {
                System.out.print(a + " - " + b + " = " + razlika + " - odd");
            } else if (razlika % 2 == 0 && razlika > 0) {
                System.out.print(a + " - " + b + " = " + razlika + " - even");
            } else if (razlika < 0 && -razlika % 2 == 1) {
                System.out.print(a + " - " + b + " = " + razlika + " - odd");
            } else if (razlika < 0 && -razlika % 2 == 0) {
                System.out.print(a + " - " + b + " = " + razlika + " - even");
            }
        } else if (c.equals("*")) {
            if (umn % 2 == 1 && umn > 0) {
                System.out.print(a + " * " + b + " = " + umn + " - odd");
            } else if (umn % 2 == 0 && umn > 0) {
                System.out.print(a + " * " + b + " = " + umn + " - even");
            } else if (umn < 0 && -umn % 2 == 1) {
                System.out.print(a + " * " + b + " = " + umn + " - odd");
            } else if (umn < 0 && -umn % 2 == 0) {
                System.out.print(a + " * " + b + " = " + umn + " - even");
            }
        } else if (c.equals("/") && b != 0) {
            System.out.print(a + " / " + b + " = ");
            System.out.printf("%.2f", (double) a / b);
        } else if (c.equals("%") && b != 0) {
            double a1 = Math.abs(a);
            double b1 = Math.abs(b);
            System.out.print(a + " % " + b + " = " + a % b);

        }
    }
}