Invalid Number

import java.util.Scanner;

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

        if (input == 0) {
            System.out.println();
        } else if (input < 100) {
            System.out.println("invalid");
        } else if (input > 200) {
            System.out.println("invalid");
        }
    }
}