MOD = 10 ** 9 + 7

m = 2 * (10 ** 6)

fact = [1 for _ in range(m + 1)]
inv = [1 for _ in range(m + 1)]
ifact = [1 for _ in range(m + 1)]
for x in range(2, m + 1):
  inv[x] = (- (MOD // x) * inv[MOD % x]) % MOD
  fact[x] = (fact[x - 1] * x) % MOD
  ifact[x] = (ifact[x - 1] * inv[x]) % MOD

def choose(n, k):
  if n < k:
    return 0
  else:
    return fact[n] * ifact[n - k] * ifact[k] % MOD

def permutation(n, k):
  if n < k:
    return 0
  else:
    return fact[n] * ifact[n - k] % MOD

def repeated_permutation(n, k):
  if n == 0:
    if k == 0:
      return 1
    else:
      return 0
  else:
    return fact[n + k - 1] * ifact[n - 1] * ifact[k] % MOD

t = int(input())
for _ in range(t):
  ty, *args = list(input())
  n, k = map(int, ''.join(args[1:-1]).split(','))
  if ty == 'C':
    print(choose(n, k))
  elif ty == 'P':
    print(permutation(n, k))
  elif ty == 'H':
    print(repeated_permutation(n, k))