N,Q = map(int,input().split())
S = input()
HH = [0 for j in range(N+1)]
WW = [0 for j in range(N+1)]
h,w = 0,0
for i in range(N):
  if S[i] == 'D':
    h += 1
    HH[h] = i + 1
  else:
    w += 1
    WW[w] = i + 1
for _ in range(Q):
  H,W,P = map(int,input().split())
  if h > 0:
    hh = H % h
    if hh == 0:
      hh += h
    th = ((H - hh) // h)*N + HH[hh]
  else:
    th = 10**18
  if w > 0:
    ww = W % w
    if ww == 0:
      ww += w
    tw = ((W - ww) // w)*N + WW[ww]
  else:
    tw = 10**18
  ans = th % N
  if tw < th:
    ans = tw % N
  ans += P
  ans %= N
  print(ans)