Operations

package ComplexCondStatExams;

import java.util.Scanner;

public class OperationsBetweenNumbers {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double N1 = Double.parseDouble(scanner.nextLine());
        double N2 = Double.parseDouble(scanner.nextLine());
        String operator = scanner.nextLine();

        double operation = 0;

        if (operator.equals("+")) {
            operation = N1 + N2;
        } else if (operator.equals("-")) {
            operation = N1 - N2;
        } else if (operator.equals("*")) {
            operation = N1 * N2;
        } else if (operator.equals("/")) {
            operation = N1 / N2;
        } else if (operator.equals("%")) {
            operation = N1 % N2;
        }

        if (operator.equals("+") || operator.equals("-") || operator.equals("*")) {
            if (operation % 2 == 0) {
                System.out.printf("%.0f %s %.0f = %.0f - even", N1, operator, N2, operation);
            } else {
                System.out.printf("%.0f %s %.0f = %.0f - odd", N1, operator, N2, operation);
            }
        } else if (operator.equals("/")) {
            if (N2 == 0) {
                System.out.printf("Cannot divide %0.f by zero", N1);
            } else {
                System.out.printf("%.0f %s %.0f = %.2f", N1, operator, N2, operation);
            }
        } else if (operator.equals("%")) {
            if (N2 == 0) {
                System.out.printf("Cannot divide %.0f by zero", N1);
            } else {
                System.out.printf("%.0f %s %.0f = %.0f", N1, operator, N2, operation);
            }
        }
    }
}