def htmlCheck(strn):
    opentagStack=Stack()
    balance=True

    while balance == True:
        opener=strn.find('<')
        closer=strn.find('>')
        testcase=opener+1
        if testcase >= len(strn):
            print("Is not balanced")
            balance=False
        else:
            result=(strn[testcase])
            if result == '/':
                if opentagStack.isEmpty() == True:
                    balance= False
                    print('Is Not Balanced')

                else:
                    topvalue=opentagStack.pop()
                    if topvalue != strn[opener+2:closer]:
                        print("Is Not Balanced")
                        balance = False

            else:
                opentagStack.push(strn[opener+1:closer])
            if opentagStack.isEmpty() == True and balance == True:
                print("This is Balanced")
                balance=False
        strn=strn[closer+1:]