class Element:
    def __init__(self, data):
        self.data = data
        self.next = None


class Liste:
    def __init__(self):
        self.head = None

    def insert(self, value):
        new_element = Element(value)
        new_element.next = self.head
        self.head = new_element

    def remove(self):
        pass

    def func(self):
        current = self.head
        m = 0
        while current is not None:
            if current.data >= m:
                m = current.data
            current = current.next
        return m