public static void Main()
Console.Write("Enter1st number :");
num1 = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter 2nd number :");
num2 = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter 3rd number :");
num3 = Convert.ToInt32(Console.ReadLine());
Console.Write(num1 + " is the greatest among three. \n\n");
Console.Write(num3 + " is the greatest among three. \n\n");
Console.Write(num2 + " is the greatest among three \n\n");
Console.Write(num3 + " is the greatest among three \n\n");