import strutils
proc printf(str: cstring) {.header: "<stdio.h>", importc: "printf", varargs.}
let
  s: string = stdin.readline
  n: int = s.len
var
  a: int = s.count('o')
  b: int = n - a
  ans: float
for i in 0..<n:
  ans = a / (a + b) * 100
  printf("%.13f\n", ans)
  if s[i] == 'o':
    a.dec
  else:
    b.dec