import sys

sys.setrecursionlimit(10 ** 6)
def II(): return int(sys.stdin.readline())

def nCr(com_n, com_r):
    if com_n < com_r: return 0
    return fac[com_n] * ifac[com_r] * ifac[com_n - com_r] % md

def nPr(com_n, com_r):
    if com_n < com_r: return 0
    return fac[com_n] * ifac[com_n - com_r] % md

def nHr(com_n, com_r):
    return nCr(com_n + com_r - 1, com_r)

md = 10 ** 9 + 7
n_max = 10 ** 6 * 2
fac = [1]
for i in range(1, n_max + 1): fac.append(fac[-1] * i % md)
ifac = [1] * (n_max + 1)
ifac[n_max] = pow(fac[n_max], md - 2, md)
for i in range(n_max - 1, 1, -1): ifac[i] = ifac[i + 1] * (i + 1) % md

def main():
    t = II()
    for _ in range(t):
        s = input()
        op = s[0]
        n, r = map(int, s[2:-1].split(","))
        if op == "C": print(nCr(n, r))
        if op == "P": print(nPr(n, r))
        if op == "H": print(nHr(n, r))

main()