def_lb1

def solve_1(obj):
    input_data = list(map(str, obj.split(',')))
    lst1 = list(map(lambda x: list(x), input_data))
    lst1 = ','.join(list(map(lambda x: ','.join(x), lst1)))
    lst2 = '.'.join(list(filter(lambda x: '@' in x, input_data)))
    lst3 = ' '.join(list(map(lambda x: '№' + x + '№', input_data)))
    return [lst1, lst2, lst3]


def solve_2(x):
    lst = list(map(int, x.split()))
    lst1 = list(filter(lambda x: x % 2 == 0, lst))
    lst2 = list(filter(lambda x: x % 3 == 0, lst))
    lst3 = list(filter(lambda x: x % 2 != 0 and x % 3 != 0, lst))
    lst3 = list(map(lambda x: -x, lst3))
    res = lst1 + lst2 + lst3
    res = list(map(str, res))
    return ' '.join(res)


class MyStr(str):
    def islower(self):
        return True if len(list(filter(lambda x: x.isupper(), self))) <= 3 else False

    def count(self, value, start=None, end=None):
        my_str = self.lower()
        value = value.lower()
        return my_str.count(value)