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

namespace YukiCoder
{
    class Program
    {
        static void Main(string[] args)
        {
            var va = Console.ReadLine().ToCharArray();
            int nO = va.Count(c => c == 'o');
            int nX = va.Count(c => c == 'x');
            int nT = nO + nX;
            for (int i = 0; i < nT; i++)
            {
                double dn = (double)(nO * 100) / (double)(nO + nX);
                Console.WriteLine(dn.ToString("F13"));
                if (va[i] == 'o')       nO--;
                else                    nX--;
            }
//          Console.ReadLine();
        }
    }
}