``` # -*- coding: utf-8 -* result = [] result1=[] result2=[] result3=[] while True: a=raw_input() if a =='END': set = set(result1) for i in set: if result1.count(i) == 1: result2.append(i) # 转换且为1的数 for i in result2: result3.append(result[result1.index(i)]) for i in result3: print i break b=a.split('#') result1.append(int(b[1],int(b[0]))) #转换 result.append(a) #未转化 # 10#15 # 4#32 # 4#33 # 8#17 # END ```