[Init] Solved solutions

cs/617A.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace _617A
+{
+	class Program
+	{
+		static void Main(string[] args)
+		{
+			int n = int.Parse(Console.ReadLine());
+			Console.WriteLine(n % 5 == 0 ? n / 5 : n / 5 + 1);
+		}
+	}
+}