c# console problem

Question

   int sum = 0;
            Console.Write("Enter Value Number:\t");
            int num = Convert.ToInt32(Console.ReadLine());

            for (int x = 1; x <= num; x++)
            {
                for (int y = 1; y <= x; y++)
                    Console.Write(y);
                
                sum += x;
                Console.Write("\n");
            }
            Console.Write( sum);
 
            Console.ReadKey();  

hello guyz how should i get the output?

the output should be like this:

Enter Value Number:     2
1
12
The sum total is : 4.

here is my code

   int sum = 0;
            Console.Write("Enter Value Number:\t");
            int num = Convert.ToInt32(Console.ReadLine());

            for (int x = 1; x <= num; x++)
            {
                for (int y = 1; y <= x; y++)
                    Console.Write(y);
                
                sum += x;
                Console.Write("\n");
            }
            Console.Write( sum);
 
            Console.ReadKey();