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def reformatDate(self, date: str) -> str:
        ans = date.split()
        year = ans[2]
        months ={"Jan":"01","Feb":"02","Mar":"03","Apr":"04","May":"05","Jun":"06","Jul":"07","Aug":"08","Sep":"09","Oct":"10","Nov":"11","Dec":"12"}
        month = months.get(ans[1])
        date = ""
        if len(ans[0])==4:
            date+= ans[0][:2]
        else:
            date+= "0"+ans[0][:1]
        return '{}-{}-{}'.format(year,month,date)