백준 8958

#8958
testcase = int(input())

for i in range(testcase):
  ox_list = list(input())
  score = 0
  sum_score = 0
  sums = []
  for ox in ox_list:
    if ox == "O":
      score+=1
      sum_score += score
    else:
      score = 0
  print(sum_score)