public static void Main()
Console.WriteLine("Enter number");
int a = int.Parse(Console.ReadLine());
int b = int.Parse(Console.ReadLine());
int c = int.Parse(Console.ReadLine());
Console.WriteLine("a, b, c");
Console.WriteLine("c, b, a");
Console.WriteLine("b, c, a");
Console.WriteLine("a, c, b");
Console.WriteLine("b, a, c");
Console.WriteLine("c, a, b");
Console.WriteLine("Some numbers are the same");