def corrrectSpaces(sentence):

    def addSpace(sentence, i):
        return sentence[:i] + '<br>'+sentence[i:]

    spaces = []
    for i in range(len(sentence)-1):
        if sentence[i].islower() and sentence[i+1].isupper():
            spaces.append(i)
    c = 1
    for each in spaces:
        sentence = addSpace(sentence, each+c)
        c += 4
    return '<p>'+sentence+'</p>'