using System;
class Class1
{
	static void Main(string[] args)
	{
		if (args.Length < 1)
		{
			Console.Write("Type ciphertext (no spaces) as argument");
			return 0;
		}
		int[] items;
		items = new int[12] {1,3,5,7,9,11,15,17,19,21,23,25};
		int t;
		char c;
		Console.Write("Ciphertext:  " + args[0] + "\r\n");
		Console.Write("Plaintext : " + "\r\n");
		foreach(int j in items)
		{
			for(int k=0;k<26;k++)
			{
				for(int i=0;i<args[0].Length;i++)
				{
					t=System.Convert.ToInt16(args[0][i]-65);
					t = (t * Convert.ToInt16(j)) % 26;
					t = (t + Convert.ToInt16(k)) % 26;
					c=Convert.ToChar(t+65);	
					Console.Write(c);
				}	
				Console.Write("\r\n");
			}
			
		}
	}
}