Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- # 1
- s = input()
- flag = 1
- for i in s:
- if not i.isdigit():
- flag = 0
- if flag:
- print('YES')
- else:
- print('NO')
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement