1028: Job Interview
Memory Limit：1024 MB
Time Limit：2.000 S
Judge Style：Text Compare
Creator：
Submit：30
Solved：15
Description
Takahashi had a job interview.
You are given the number of interviewers, N, and a string S of length N representing the interviewers' evaluations of him.For each i=1,2,…,N, the i-th character of S corresponds to the i-th interviewer's evaluation; o means Good, - means Fair, and x means Poor.
Takahashi will pass if both of the following conditions are satisfied, and fail otherwise.
At least one interviewer's evaluation is Good.
No interviewer's evaluation is Poor.
Determine whether Takahashi passes.
Constraints:
1≤N≤100
S is a string of length
N consisting of o, -, and x.
Input
The input is given from Standard Input in the following format:
N
S
Output
If Takahashi passes, print Yes; otherwise, print No.
Sample Input Copy
4
oo--
Sample Output Copy
Yes