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
#include <bits/stdc++.h>

using namespace std;

int main() {
	int n;
	scanf("%d", &n);

	char s[n+1];
	scanf("%s", s);

	int w = 0;
	bool p = 1;
	for (int i = 1; i <= n; i++) {
		p &= s[i - 1] == 'T';

		if (i % (n / 10) == 0) {
			w += p;
			p = 1;
		}
	}

	printf("%d\n", w);

	return 0;
}