package main

import (
	"bufio"
	"fmt"
	"os"
	"strings"
)

func main() {
	input := bufio.NewScanner(os.Stdin)
	if input.Scan() {
		list := strings.Split(input.Text(), "")
		for e, _ := range list {
			var count float64
			for i := e; i < len(list); i++ {
				if list[i] == "o" {
					count++
				}
			}
			oneProb := 100.0 / float64(len(list)-e)
			fmt.Printf("%.13f\n", oneProb*count)
		}
	}
}