using System;
using System.Reflection;

public class PrintDotNetVersionInfo {
    public static void Main(string[] args) {
        PrintVersionInfo();
    }

    public static void PrintVersionInfo() {
        Console.WriteLine(".NET Version: " + System.Environment.Version.ToString());
        var mono = Type.GetType("Mono.Runtime", false, true);
        if (mono == null)
            Console.WriteLine("Runtime: Microsoft .NET");
        else {
            Console.WriteLine("Runtime: Mono {0}",
                mono.GetMethod("GetDisplayName", BindingFlags.NonPublic | BindingFlags.Static).Invoke(null, null));
        }
    }
}