Some will help will be greatly appreciated, Thank you

package com.codegym.task.task04.task0427;
/*
Describing numbers
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String ia = br.readLine();
int a = Integer.parseInt(ia);
if (a < 1 && a > 999){
}
else if (a % 2 == 0 && a < 10)
System.out.println("even single-digit number");
else if (a % 2 != 0 && a < 10)
System.out.println("odd single-digit number");
else if (a % 2 == 0 && a < 100)
System.out.println("even two-digit number");
else if (a % 2 != 0 && a < 100)
System.out.println("odd two-digit number");
else if (a % 2 == 0 && a < 1000)
System.out.println("even three-digit number");
else if (a % 2 != 0 && a < 1000)
System.out.println("odd three-digit number");
}
}