mod = 10 ** 9 + 7
class combinatorics:
    def __init__(self, n):
        self.n = n
        self.fa = [1] * (self.n * 2 + 1)
        self.fi = [1] * (self.n * 2 + 1)
        for i in range(1, self.n * 2 + 1):
            self.fa[i] = self.fa[i - 1] * i % mod
        self.fi[-1] = pow(self.fa[-1], mod - 2, mod)
        for i in range(self.n * 2, 0, -1):
            self.fi[i - 1] = self.fi[i] * i % mod
    def comb(self, n, r):
        if n < r:return 0
        if n < 0 or r < 0:return 0
        return self.fa[n] * self.fi[r] % mod * self.fi[n - r] % mod
    def perm(self, n, r):
        if n < r:return 0
        if n < 0 or r < 0:return 0
        return self.fa[n] * self.fi[n - r] % mod
    def cwr(self, n, r):
        if n < r:return 0
        if n < 0 or r < 0:return 0
        return self.comb(n + r - 1, r)
C = combinatorics(10 ** 6)
for _ in range(int(input())):
    Q = input()
    n, k = map(int, Q[2:-1].split(","))
    if Q[0] == "C":
        print(C.comb(n, k))
    elif Q[0] == "P":
        print(C.perm(n, k))
    else:
        print(C.cwr(n, k))