class hcm (object):
    def __init__ (self, nca,nha,nff):
        '''the number of carbon and hydrogen elements must be an integer while the name must be a string'''
        self.__nca = nca
        self.__nha = nha
        self.__nff = []
        self.__nff.append (nff)

    def __cmp__ (self,other):
        if self.__nca == other.__nca and self.__nha == other.__nha:
            return 0
        else:
            return 1
    def getnca (self):
        '''returns number of carbon atoms'''
        return self.__nca

    def getnha (self):
        '''returns number of hydrogen atoms'''
        return self.__nha


    def getnff (self):
        '''returns name'''
        return self.__nff

    def __str__ (self):
        '''returns a string with the molecule info'''
        string = ""
        for n in self.__nff:
            string += n
        mstring = string + " " + "C"+ str(self.__nca) + "H" + str(self.__nha)
        return mstring

    def modmol (self,other):
        self.__nff.append (other.__nff)





def test ():
    molly = hcm(3,4,"molly")
    bigmolly = hcm(6,8,"bmolly")
    print molly
    print bigmolly

# End of Part 1-------------------------------------------------------------


mollylist = [] # list for all to use


def addtolist (lomo):

    mollylist.append (lomo[0])
    for n in range(len(lomo)):
        for m in mollylist:
            if n > 0:
                if lomo[n] != m:
                    mollylist.append(lomo[n])
                    print mollylist    #for debugging
                    raw_input ("debug") #for debugging
                elif lomo[n] == m:
                    m.modmol (lomo[n])

    print mollylist



# End of part 2 -------------------------------------------------------------

nof = "atoms.txt"
def readarl (fo):

    line = fo.readline()
    return line

def manline (line):
    split = line.split ()
    nameofa = split[0]
    stripped = split[1].strip("C")
    nums = stripped.split("H")
    carb = int(nums[0])
    harb = int(nums[1])
    return carb,harb,nameofa

def makearo (carb,harb,name):
    mol = hcm(carb,harb,name)
    return mol

def rar (nof):
    listofobj = []
    line = readarl (nof)

    while line !="":
        carb,harb,nameofa = manline (line)
        mobj = hcm(carb,harb,nameofa)
        listofobj.append(mobj)

        line = readarl (nof)
    return listofobj

def aamtl ():
    fo = open(nof,"r")
    lomo = rar (fo)
    addtolist (lomo)



#End of part 3-------------------------------------------------

def test4():
    h=hcm(3,5,"test")
    b=hcm(3,4,"kest")
    print h==b