Add ageCounter program in c# (hacktoberfest17#1185)

Author: Amine-Smahi

beginner_programming/age_counter/Csharp/Program.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Numerics;
+
+namespace age_counter
+{
+    class Program
+    {
+        public static void Main(string[] args)
+        {
+            int BirthMonth, BirthYear;
+            int CurrentMonth, CurrentYear;
+            int AgeYear, AgeMonth;
+	
+            Console.WriteLine("\n\n\t\t\tCount the age person\n\n");
+	        Console.WriteLine("Enter Your Birth Year(Eg:1989):");
+	        BirthYear = Convert.ToInt32(Console.ReadLine());
+	
+	        Console.WriteLine("\n\nEnter Your Birth Month(Eg:7):");
+            BirthMonth = Convert.ToInt32(Console.ReadLine());
+	
+	        Console.WriteLine("\nEnter The Current Month(Eg:7):");
+            CurrentMonth = Convert.ToInt32(Console.ReadLine());
+	
+	        Console.WriteLine("\nEnter The Current Year(Eg:2010):");
+            CurrentYear = Convert.ToInt32(Console.ReadLine());
+	
+            AgeYear=CurrentYear-BirthYear;
+            AgeMonth=CurrentMonth-BirthMonth;
+	
+	        Console.WriteLine("\n\n\t\tYour Age is {0} Years And {1} Months ",AgeYear,AgeMonth);
+        }
+    }
+}