using System;
using System.Linq;

public class Test
{
	public static void Main()
	{
	    var values = Enum.GetValues(typeof(VehicleData))
	        .Cast<int>()
            .Select(x => x.ToString())
            .ToArray();
        foreach(var val in values)
            Console.WriteLine(val);
	}
}

	public enum VehicleData
{
    Dodge = 15001,
    BMW = 15002,
    Toyota = 15003        
}