题解 | #提取不重复的整数#
提取不重复的整数
http://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
my_input = input().strip()
zh_input = ''
for i in range(1, len(my_input)+1):
if my_input[-i] not in zh_input:
zh_input = zh_input + my_input[-i]
print(zh_input)