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

static class MicesLuck
{
    static void Main()
    {
	    string s = Console.ReadLine();
	    
	    foreach (int i in Enumerable.Range(0, s.Count()))
	    	Console.WriteLine((Double)s.Skip(i).Count(x => x == 'o') / (Double)(s.Skip(i).Count(x => x == 'o') + s.Skip(i).Count(x => x == 'x'))  * 100.0);
   }
}