{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TupleSections #-}
import qualified Data.ByteString.Lazy.Char8 as B
import Data.Maybe
import Data.List
import qualified Data.Vector.Unboxed as VU
-- import qualified Data.Vector.Unboxed.Mutable as VUM
-- import Control.Monad
-- import Control.Monad.ST
-- import Debug.Trace

solve :: Int -> String -> Int -> [Int] -> [Int]
solve n s q ks = map count ks
  where

  sv = VU.fromList s

  appD = mkCntVec n 'D' sv
  appC = mkCntVec n 'C' sv
  posM = [i | i <- [0..n-1], sv VU.! i == 'M']

  count k = sum lst
    where
    (_, lst) = mapAccumL op 0 (zip ((-1):posM) posM)
    op thisCnt (jm1,jm2) = (newCnt, newCnt)
      where
      newCnt = thisCnt + (inc - dec)
      inc = sum $ map f [i | i <- [jm1+1..jm2-1], sv VU.! i == 'D']
        where f i | i+k <= jm2 = 0
                  | otherwise = (appC VU.! (min (i+k-1) (n-1)))
                                - (appC VU.! jm2)
      dec = sum $ map f [i | i <- [jm1+1..jm2-1], sv VU.! i == 'C']
        where f i | jm1 < 0      = 0
                  | jm1 <= i-k+1 = 0
                  | i-k < 0      =  appD VU.! jm1
                  | otherwise    = (appD VU.! jm1) - (appD VU.! (i-k))

mkCntVec n c0 sv = VU.unfoldrN n f (0,0)
  where f (cnt, i) | sv VU.! i == c0 = Just (cnt+1, (cnt+1, i+1))
                   | otherwise       = Just (cnt, (cnt, i+1))

readBInt :: B.ByteString -> Int
readBInt = fst . fromJust . B.readInt

tmain :: B.ByteString -> [Int]
tmain cont =
  let remLines0 = map B.words (B.lines cont)
      [bs_n]:remLines1 = remLines0
      n = readBInt bs_n
      [bs_s]:remLines2 = remLines1
      s = B.unpack bs_s
      [bs_q]:remLines3 = remLines2
      q = readBInt bs_q
      line4:remLines4 = remLines3
      ks = map readBInt line4
  in solve n s q ks

outAnswer :: [Int] -> IO ()
outAnswer xs = putStr $ unlines $ map show xs

main :: IO ()
main = outAnswer . tmain =<< B.getContents
