class TDate:
    __Day = 0
    __Month = 0
    __Year = 0
    def __init__(self, y = 0, m = 0, d = 0):
        self.__Day = d
        self.__Month = m
        self.__Year = y
    def myprint(self):
        print('{}/{}/{}'.format(self.__Day, self.__Month, self.__Year))
    def setdate(self, y, m, d):
        self.__Day = d
        self.__Month = m
        self.__Year = y

y, ***p(int, input().split())
d = TDate(y,m,d)
d.myprint()