using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Console.Write(" enter a message ");
string message = Console.ReadLine();
Console.Write("Enter shift code: ");
int code = int.Parse(Console.ReadLine());
string alphabet = " ABCDEFGHIJKLMNOPQRSTUVWXYZÑ";
string encrypted = "";
for (int index = 0; index < message.Length; index++)
{
if (char.IsUpper(message, index))
encrypted +=
alphabet.Substring((alphabet.IndexOf(message.Substring(index, 1)) + code) % 26, 1);
else
{
if (char.IsLower(message, index))
encrypted +=
alphabet.ToLower().Substring(
(alphabet.ToLower().IndexOf(
message.Substring(index, 1))
+ code) % 26, 1);
}
}
Console.WriteLine("Encrypted :" + encrypted);
Console.ReadLine();
}
}
}
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