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
#include <bits/stdc++.h>

using namespace std;

int main(void)
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);

	int n;
	string s;
	cin >> n >> s;

	int count = 0;
	for (int i = 0; i < n; i += n / 10) {
		bool ok = true;
		for (int j = 0; j < n / 10; j++)
			if (s[i + j] != 'T')
				ok = false;

		if (ok)
			count++;
	}

	cout << count << '\n';

	return 0;
}