character sequence

using System;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.Design;
using System.Globalization;
using System.Net.Http.Headers;
using System.Reflection;
using System.Runtime.ConstrainedExecution;
using System.Security.Cryptography;

namespace SomeExcercises
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();

            for (int i = 0; i < input.Length; i++)
            {
                char letter = input[i];
                Console.WriteLine(letter);
            }
        }
    }
}