Data commit

Task/Middle-three-digits/C-sharp/middle-three-digits.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace RosettaCode
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            string text = Math.Abs(int.Parse(Console.ReadLine())).ToString();
+            Console.WriteLine(text.Length < 2 || text.Length % 2 == 0 ? "Error" : text.Substring((text.Length - 3) / 2, 3));
+        }
+    }
+}