using System;
using System.Collections.Generic;
using System.Linq;

class DiamondProblem
{
    static void Main()
    {
        var input = Console.ReadLine();

        var sum = 0;
        var caratsOfDiamonds = new List<int>();
        var isDiamond = false;

        foreach (var symbol in input)
        {

            if (symbol == '<')
            {
                isDiamond = true;
            }
            else if (symbol == '>')
            {
                caratsOfDiamonds.Add(sum);
                sum = 0;
                isDiamond = false;
            }

            if (isDiamond == true)
            {
                if (char.IsDigit(symbol))
                {
                    sum += symbol - '0';
                }

            }
        }

        var isAnyDiamond = caratsOfDiamonds.Sum(x => x);

        if (isAnyDiamond == 0)
        {
            Console.WriteLine($"Better luck next time");
        }
        else
        {
            foreach (var carats in caratsOfDiamonds)
            {
                Console.WriteLine($"Found {carats} carat diamond");
            }
        }

    }
}