using System;

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            string userInput;
            char symbol;
            int quantitySymbols;

            Console.Write("Input some string: ");
            userInput = Console.ReadLine();
            quantitySymbols = Convert.ToInt32(userInput.Length);

            Console.Write("Input some char: ");
            symbol = Convert.ToChar(Console.ReadLine());

            for (int i = 0; i < quantitySymbols; i++)
            {
                Console.Write(symbol);
                if (i == userInput.Length + 1)
                {
                    Console.WriteLine();
                    Console.WriteLine($"{symbol}{userInput}{symbol}");
                }
            }
        }
    }
}