[Init] Solved solutions

cs/246A.cs

@@ -0,0 +1,23 @@
+using System;
+
+namespace problem_246A
+{
+	class problem_246A
+	{
+		public static void Main(string[] args)
+		{
+			int n = int.Parse(Console.ReadLine());
+			if (n < 3)
+			{
+				Console.Write("{0}", -1);
+			}
+			else
+			{
+				for (int i = n; i > 0; i--)
+				{
+					Console.Write("{0} ", i);
+				}
+			}
+		}
+	}
+}