#include <stdio.h>
#include <string.h>
int main(void) {
int input, score, sum;
char test[80];
scanf("%d", &input);
for(int i=0; i<input; i++) {
sum = 0;
score = 1;
scanf("%s", test);
for(int j=0; j<strlen(test); j++) {
if(test[j] == 'O') {
sum += score;
score++;
}
if(test[j] == 'X') score = 1;
}
printf("%d\n", sum);
}
}