#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <cstring>
#include <string>
#include <algorithm>
#include <cmath>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>

using namespace std;
#define INF 1234567890

int main() {
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);

	int _T = 0;
	cin >> _T;
	while (_T--)
	{
		int cnt = 0, ans = 0;
		string s;
		cin >> s;
		for (auto c : s) {
			if (c == 'O') cnt++;
			else cnt = 0;
			ans += cnt;
		}
		cout << ans << "\n";
	}

	return 0;
}