import functools as ft

@ft.total_ordering
class version:
    def __init__(self, v):
        self.vs = [int(p) for p in v.split('.')]

    def __cmp__(self, other):
        ds = [d for d in map(lambda a, b: a - b, self.vs, other.vs) if d]
        return ds[0] // abs(ds[0]) if ds else 0

    def __eq__(self, other): return self.__cmp__(other) == 0
    def __gt__(self, other): return self.__cmp__(other) == 1