Assignment 3

 import java.io.*;
 import static java.lang.System.*;
 import java.util.Random;
 import java.util.Scanner;
 import java.lang.Math;

 class Main{


      public static void main (String str[]) throws IOException {
         Scanner scan = new Scanner(System.in);
         String[] months = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
         int month;
         int day;
         String[] days = {"first", "second", "third", "fourth", "fifth", "sixth", "seventh", "eighth", "ninth", "tenth", "eleventh", "twelfth", "thirteenth", "fourteenth", "fifteenth", "sixteenth", "seventeenth", "eighteenth", "ninteenth", "twentieth", "twenty-first", "twenty-second", "twenty-third", "twenty-fourth", "twenty-fifth", "twenty-sixth", "twenty-seventh", "twenty-eighth", "twenty-ninth", "thirtieth", "thirty-first"};
         System.out.println("On what day of the month were your born? (number)");
         day = scan.nextInt();
         System.out.println("In which month were you born? (number)");
         month = scan.nextInt();

         if (day > 31 || day <= 0)
         {
          System.out.println("error");
         }

         else if (month >12 || month <= 0)
         {
          System.out.println("error");
         }

         else if ((month == 3 && day >= 21) || (month == 4 && day <= 19))
         {
          System.out.println("Your sign is Aries");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 4 && day >= 20) || (month == 5 && day <= 20))
         {
          System.out.println("Your sign is Taurus");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 5 && day >= 21) || (month == 6 && day <= 20))
         {
          System.out.println("Your sign is Gemini");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 6 && day >= 21) || (month == 7 && day <= 22))
         {
          System.out.println("Your sign is Cancer");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 7 && day >= 23) || (month == 8 && day <= 22))
         {
          System.out.println("Your sign is Leo");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 8 && day >= 23) || (month == 9 && day <= 22))
         {
          System.out.println("Your sign is Virgo");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 9 && day >= 23) || (month == 10 && day <= 22))
         {
          System.out.println("Your sign is Libra");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 10 && day >= 23) || (month == 11 && day <= 21))
         {
          System.out.println("Your sign is Scorpio");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 11 && day >= 22) || (month == 12 && day <= 21))
         {
          System.out.println("Your sign is Sagittarius");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 12 && day >= 22) || (month == 1 && day <= 19))
         {
          System.out.println("Your sign is Capricorn");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 1 && day >= 20) || (month == 2 && day <= 18))
         {
          System.out.println("Your sign is Aquarius");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }

         else if ((month == 2 && day >= 19) || (month == 3 && day <= 20))
         {
          System.out.println("Your sign is Pisces");
          System.out.println("Your birthday is: " + months[month-1] + " " + days[day-1]);
          System.out.println("Horoscope: Your fantastic!");
         }
      }
 }