py80分求调

di = {'zero':'00','one':'01','two':'04','three':'09','four':'16','five':'25','six':'36','seven':'49','eight':'64','nine':'81','eleven':'21','twelve':'44','thirteen':'69','fourteen':'96','fifteen':'25','sixteen':'56','seventeen':'89','eighteen':'24','nineteen':'61','twenty':'00','a':'01','both':'04','another':'01','first':'01','second':'04','third':'09'}
s = list(input().strip().split())
n = len(s)
ss = []
for i in range(n):
    if s[i] in di.keys():
        ss.append(di[s[i]])
ss = sorted(ss,key=lambda x:(x[0],x[1]))
ss = "".join(ss)
print(int(ss))