package backjoon;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.StringTokenizer;

// https://www.acmicpc.net/problem/8958

// OX퀴즈

public class _8958 {

public static void main(String[] args) throws IOException {

//sol memory 12580 time 112

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

int cnt = Integer.parseInt(br.readLine());

for(int i=0; i<cnt; i++){

String[] nums = br.readLine().split("");

int sum = 0; //누적합

int cntO = 0; //O의 연속 횟수

for(String s : nums){

if(s.equals("O")){

cntO++;

sum += cntO;

}else{

cntO = 0;

}

}

System.out.println(sum);

}

}

}

/*

intput

2

OOXXOXXOOO

OOXXOOXXOO

5

OOXXOXXOOO

OOXXOOXXOO

OXOXOXOXOXOXOX

OOOOOOOOOO

OOOOXOOOOXOOOOX

output

10

9

7

55

30

*/