lsa = list(map(int,input().split()))
ans = 0
for i in range(5):
    a = lsa[i]
    b = ''
    if a % 3 == 0:
        b += 'Buzz'
    if a % 5 == 0:
        b += 'Fizz'
    if b == '':
        b += str(a)
    ans += len(b)
print(ans)