public static void Main()
Console.WriteLine("Please enter your first number :");
firstNum = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Please enter your second number :");
secNum = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Even Numbers :");
Console.Write("nImproper Input");
while (firstNum <= secNum)
Console.Write(firstNum + "\n");