if(number > 99 && number <= 999){ if(number % 2 == 0){ System.out.println("even three-digit number"); }else{ System.out.println("odd three-digit number"); } }else if (number > 9 && number <= 99){ if(number % 2 == 0){ System.out.println("even two-digit number"); }else{ System.out.println("odd two-digit number"); } }else{ if(number % 2 == 0){ System.out.println("even single-digit number"); }else{ System.out.println("odd single-digit number"); } }