8958

import sys
sys.stdin = open("input.txt","rt")


n = int(sys.stdin.readline().strip())

for i in range(n):

    lists = sys.stdin.readline().strip()

    cum_sum = 0
    num_sum = 0


    for j in lists:

        if j == "O":
            num_sum += 1
            cum_sum += num_sum

        else:
            num_sum = 0

    print(cum_sum)