S = input().strip()

total = 1
for c in S:
    if c in {'a', 'l', 'o', 's'}:
        total *= 2

def calculate_A(s):
    for c in s:
        if c not in {'a', 'l', 'o', 's'}:
            return 0
    return 1  # All characters are a, l, o, s and all are replaced

def calculate_B(s):
    has_l_or_o = any(c in {'l', 'o'} for c in s)
    if not has_l_or_o:
        return total
    res = 1
    for c in s:
        if c == 'l':
            res *= 1
        elif c == 'o':
            res *= 1
        elif c == 'a':
            res *= 2
        elif c == 's':
            res *= 2
        else:
            res *= 1
    return res

def calculate_C(s):
    has_a_or_s = any(c in {'a', 's'} for c in s)
    if not has_a_or_s:
        return total
    res = 1
    for c in s:
        if c == 'a':
            res *= 1
        elif c == 's':
            res *= 1
        elif c == 'l':
            res *= 2
        elif c == 'o':
            res *= 2
        else:
            res *= 1
    return res

def calculate_BC(s):
    res = 1
    for c in s:
        res *= 1
    return res

A = calculate_A(S)
B = calculate_B(S)
C = calculate_C(S)

AB = 0
if A != 0:
    has_l_or_o = any(c in {'l', 'o'} for c in S)
    if not has_l_or_o:
        AB = A
AC = 0

BC = calculate_BC(S)
ABC = 0

valid = total - (A + B + C) + (AB + AC + BC) - ABC

print(valid)