class Problem0637:
    def solve(this):
        res = list(map(int, input().split()))
        cnt = 0
        for v in res:
            if v % 3 == 0 and v % 5 == 0:
                cnt += len("FizzBuzz")
            elif v % 3 == 0:
                cnt += len("Fizz")
            elif v % 5 == 0:
                cnt += len("Buzz")
            else:
                cnt += len(str(v))
        print(cnt)

if __name__ == "__main__":
    problem = Problem0637()
    problem.solve()