Time Limit: 2 sec / Memory Limit: 1024 MB
Score : 100100 points
Problem Statement
You are given a string SS, which represents a weather forecast for the seven days starting tomorrow.
The ii-th of those seven days is forecast to be sunny if the ii-th character of SS is o, and rainy if that character is x.
Tell us whether the NN-th day is forecast to be sunny.
Constraints
-
NN is an integer between 11 and 77 (inclusive).
-
SS is a string of length 77 consisting of o and x.
Input
Input is given from Standard Input in the following format:
NNSS
Output
Print Yes if the NN-th of the seven days starting tomorrow is forecast to be sunny, and No if that day is forecast to be rainy.