class Person():

    def __init__(self,fName,lName):
        self.firstName=fName
        self.lastName=lName

    def getFirstName(self):
        return self.firstName

    def getLastName(self):
        return self.lastName

    def getName(self):
        return self.lastName+", "+self.firstName

    def saySomething(self):
        return "Hi! I am "+self.firstName+"."

    def printSomething(self):
        print ("In the Person class.")

class HGSperson(Person):

    def __init__(self,fName2,lName2):
        Person.__init__(self,fName2,lName2)

    def identify(self):
        return "Hello. I am an HGS person, "+self.firstName

class HGSstudent(HGSperson):

    year=["","freshman","sophomore","junior","senior"]
    studentIDNum=1

    def __init__(self,firstName,lastName,year):
        HGSperson.__init__(self,firstName,lastName)
        self.year=year
        self.ID=HGSstudent.studentIDNum
        HGSstudent.studentIDNum=HGSstudent.studentIDNum + 1

    def getID(self):
        return self.ID

    def getYear(self):
        return HGSstudent.year[self.year]

    def talk(self,someOne):
        return "Hello "+someOne.firstName+". I am "+self.firstName+"."

    def printSomething(self):
        print ("I am in the HGS Student class.")

    def __add__(self,someOne):
        return self.getName()+" married "+ someOne.getName()