1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
#include <iostream>

using namespace std;
int main(int argc, const char * argv[]) {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(NULL);
    
    int n;
    cin >> n;
    
    int result = 0;
    
    for (auto round = 0; round < 10; round++) {
        bool success = true;
        for (auto i = 0; i < n / 10; i++) {
            char c;
            cin >> c;
            if (c == 'N') success = false;
        }
        if (success) result++;
    }
    cout << result << endl;
    return 0;
}