using System;

namespace _09._Index_of_Letters
{
    class IndexOfLetters
    {
        static void Main(string[] args)
        {
            string word = Console.ReadLine();
                      
            foreach (char letter in word)
            {
                int foundIndex = letter - 97;
                Console.WriteLine($"{letter} -> {foundIndex}");
            }
        }     
    }
}