using System;
using System.Linq;

class No667{
    static void Main(){
        var a=Console.ReadLine().ToList();
        for(double i=0;i<(double)a.Count;++i){
            Console.WriteLine((((double)a.Count(x=>x=='o')/((double)a.Count))*100).ToString("0.00000000000000"));
            a.RemoveAt(0);
        }
    }
}