题解

阿巴阿巴吧

#include <iostream>
using namespace std;
char a[8];
int n;
int main()
{
    cin >> n;
    for(int i = 1;i <= 7;i++)
        cin >> a[i];
    if(a[n] == 'o')
        cout << "Yes";
    else
        cout << "No";
    return 0;
}