10. Невалидно число

package ConditionalStatementsAdvanced;

import java.util.Scanner;

public class InvalidNumber_10 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int number = Integer.parseInt(scanner.nextLine());
        //валидно -> [100;200] или = 0 -> print nothing
        //невалидно -> print invalid
        boolean isValid = (number >= 100 && number <= 200) || number == 0;
        //true -> валидно
        //false -> невалидно
        if (!isValid) {
            System.out.println("invalid");
        }
    }
}