mod = 10**9 + 7
fact = [1] * (2 * 10**6 + 1)
inv = [1] * (2 * 10**6 + 1)
finv = [1] * (2 * 10**6 + 1)
for i in range(2, 2 * 10**6 + 1):
    fact[i] = fact[i - 1] * i % mod
    inv[i] = mod - inv[mod % i] * (mod // i) % mod
    finv[i] = finv[i - 1] * inv[i] % mod
def c(x, y):
    if x < y:
        return 0
    return fact[x] * finv[y] % mod * finv[x - y] % mod

def p(x, y):
    if x < y:
        return 0
    return fact[x] * finv[x - y] % mod

def h(x, y):
    return fact[x + y - 1] * finv[x - 1] % mod * finv[y] % mod

for _ in range(int(input())):
    s = input()
    n = len(s)
    s1, s2 = s[0], s[2:n - 1]
    x, y = map(int, s2.split(','))
    if s1 == 'P':
        print(p(x, y))
    elif s1 == 'C':
        print(c(x, y))
    elif s1 == 'H':
        print(h(x, y))