1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <iostream>

using namespace std;

int main()
{
	int n;
	string s;
	cin >> n >> s;

	int res = 0;
	int len = n / 10;
	
	for (int i = 0; i < 10; i++) {
		bool success = true;
		for (int j = 0; j < len; j++) {
			int idx = i * len + j;
			
			if (s[idx] == 'N') {
				success = false;
				break;
			}
		}
		if (success) {
			res++;
		}
	}

	cout << res << '\n';
}