03. Even or Odd

import java.util.Scanner;

public class EvenOrOdd {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int num = Integer.parseInt(scanner.nextLine());

        if (num % 2 == 0) {
            System.out.println("even");
        } else {
            System.out.println("odd");
        }
    }
}

ИЛИ:

import java.util.Scanner;

public class EvenOrOdd {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int num = Integer.parseInt(scanner.nextLine());

        System.out.println(num % 2 == 0 ? "even" : "odd");
    }
}