N = 2 * 10 ** 6 + 1
MOD = 10 ** 9 + 7
fact = [1]*(N+1)
rfact = [1]*(N+1)
r = 1
for i in range(1, N+1):
    fact[i] = r = r * i % MOD
rfact[N] = r = pow(fact[N], MOD-2, MOD)
for i in range(N, 0, -1):
    rfact[i-1] = r = r * i % MOD

def comb(n, k):
    return fact[n] * rfact[k] * rfact[n-k] % MOD
def perm(n, k):
    return fact[n] * rfact[n-k] % MOD


for _ in range(int(input())):
    S = input()
    op = S[0]
    S = S[2:-1]
    a,b = map(int,S.split(","))
    if op == "C":
        if a < b:
            print(0)
        else:
            print(comb(a,b))
    elif op == "P":
        if a < b:
            print(0)
        else:
            print(perm(a,b))
    else:
        if a == 0:
            if b == 0:
                print(1)
            else:
                print(0)
        else:
            print(comb(a+b-1,a-1))