using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("What's your name?");

        string userName = Console.ReadLine();

        VerticalWriteLine("Hello, " + userName);

    }

    public static void VerticalWriteLine(string input)

    {

        int counter = 0;

        while(counter < input.Length)

        {

            Console.WriteLine(input[counter]);

            counter = counter + 1;

        }

    }

}