ChineseZodiac | Chinese Zodiac is an iOS app developed in Swift | iOS library

using System;

namespace survey {

    static class program {

        static void Main(string[] args) {

            program.chinesezodiac();

            Console.WriteLine("\nYour name is: " + name);
            Console.WriteLine("Your age is: " + age);

            if (year == "1999") {
                Console.WriteLine("You were born in the year of the rabbit");
            }

            else if (year == "2000") {
                Console.WriteLine("You were born in the year of the dragon");
            }

            else if (year == "2001") {
                Console.WriteLine("You were born in the year of the snake");
            }
            else if (year == "2002") {
                Console.WriteLine("You were born in the year of the horse");
            }
            else if (year == "2003") {
                Console.WriteLine("You were born in the year of the goat");
            }
            else if (year == "2004") {
                Console.WriteLine("You were born in the year of the monkey");
            }

            else if (year == "2005") {
                Console.WriteLine("You were born in the year of the rooster");
            }

            else if (year == "2006") {
                Console.WriteLine("You were born in the year of the dog");
            }

            else if (year == "2007") {
                Console.WriteLine("You were born in the year of the pig");
            }

            else if (year == "2008") {
                Console.WriteLine("You were born in the year of the dragon");
            }

            else if (year == "2009") {
                Console.WriteLine("You were born in the year of the ox");
            }

            else if (year == "2010") {
                Console.WriteLine("You were born in the year of the tiger");
            }

            else {
                Console.WriteLine("Invalid year");
            }
        }

        public static void chinesezodiac(string[] args) {

            Console.WriteLine("\nPlease note\nThis program is only applicable for users born between 1999 and 2010");

            Console.WriteLine("\nPlease input name > ");
            public static string name = Console.ReadLine();

            if (name == "") {
                do {
                    Console.Write("Invalid input. Please try again > ");
                    name = Console.ReadLine();
                } while ( name == "");
            }

            Console.WriteLine("\nPlease input age > ");
            public static string age = Console.ReadLine();

            if (age == "") {
                do {
                    Console.Write("Invalid input. Please try again > ");
                    age = Console.ReadLine();
                } while ( age == "");
            }

            Console.WriteLine("\nPlease input birth year > ");
            public static string year = Console.ReadLine();

            if (year == "") {
                do {
                    Console.Write("Invalid input. Please try again > ");
                    year = Console.ReadLine();
                } while ( year == "");
            }

        }
    }
}