#include <stdio.h>
int main()
{
char ch;
int flag = 0, count = 0;
int T, i;
scanf("%d", &T);
getchar();
for (i = 0; i < T; i++)
{
while ((ch = getchar()) != '\n')
{
if (ch == 'O')
flag++;
else
flag = 0;
count += flag;
}
printf("%d\n", count);
count = 0; flag = 0;
}
return 0;
}
