class PostalCode:

    def __init__(self):
        self.a = "79-900"
        self.b = "80-155"


    def split_postal_code(self, a):
        return a.split("-")

    def generate_range(self):
        postalCodeA = self.split_postal_code(self.a)
        A2 = int(postalCodeA[0])
        A3 = int(postalCodeA[1])
        postalCodeB = self.split_postal_code(self.b)
        B2 = int(postalCodeB[0])
        B3 = int(postalCodeB[1])

        if A2 > B2:
            print('Sorry blad')
            return

        for k in range(A2, B2+1):
            for i in range(0, 1000):
                self.print_code(A2, i)

        # for j in range(0, B3 + 1):
        #     self.print_code(B2, j)


    def print_code(self, a, b):
        if a < 10:
            a = "0" + str(a)

        if b < 10:
            b = "00" + str(b)

        if b >= 10 and b < 100:
            b = "0" + str(b)

        print("%s-%s" % (a, b))
        print("\n")






kupadupa = PostalCode()
print((kupadupa.generate_range()))