A = input()
A = list(A)
C=0
D=0
for i in range(len(A)):
    B = len(A)
    for i in A:
        if i=="o":
            C = C+1
        if i=="x":
            D = D+1
    print("{:.9}".format((C/B)*100))
    C = 0
    A.pop(0)