message = "GwboOBynaABlnNecCigGdd"
message = "MzZfiIFmMpPizwWZkbByYKfFjJkKusSbBUplLqisSlLdDIQPnrRnuUuUsgkKfFdDGSxhHmMmMXgGjaAJpzZpeEPPnNpncmMinNIwpPWfFcCCNPnqQxXNeqQhHraefFEdkKDpmMPARaqQqQikjJKmMoOIrRpPoOnNmyYMfFxXkoOsSKzZwefFEWvV yYyYjJpPEviIzeExXZxgGwWjkKJXmMxXVvVkqQoOagxXGeEAoOpPtTntTNnNKjtTxXwWgGJunjJdDoONUspPSutTtgGTUhHqlLrRQmuUjJnwfFWNxXpzZPyYlLzZMoOnweEfFWkwpPjJWnNxXKyYjJyYfFuUicbBCcCpuUoOPoeEoOsgwWsaAsSSjJGkKeEnNSpPvVsmyYMoOsSSOxXdyqQzZmMmMYnNDd"

found = False
at_least_one = True
res = ""
while at_least_one:
    at_least_one = False
    for i in range(len(message)):
        if found:
            #this is the upper case letter, the 2nd letter
            found = False
        elif i<len(message)-1 and message[i].islower() and message[i].upper() == message[i+1] and not found:
            #this is the mower case letter followed by the same letter in upper case
            found = True
            at_least_one = True
        elif not found:
            res = res + message[i]
        else:
            found = False
    print(res)
    message = res
    res = ""