2021 golf


Statement
You are given S contains only '0', '1' and '2'.
Output "yes" if S contains "2021" as its subsequence, "no" otherwise.

Constraint
* 1 ≤ |S| ≤ 15
Sample Input
Sample Output
Contest ID
0009
Writer
admin
Publish date
2021/05/13 23:00:00
Solved
86
Best
7
Top player
Yupiteru