public static void Main()
Console.WriteLine("enter number");
int num1 = int.Parse(Console.ReadLine());
Console.WriteLine("enter number");
int num2 = int.Parse(Console.ReadLine());
Console.WriteLine("enter number");
int num3 = int.Parse(Console.ReadLine());
Console.WriteLine("enter number");
int num4 = int.Parse(Console.ReadLine());
Console.WriteLine("{0} even numbers" , (num1 +1) % 2 + (num2 +1) % 2 + (num3 +1) % 2 + (num4 +1) % 2);