SIZE=2*10**6+1; MOD=10**9+7 #998244353 #ここを変更する

inv = [0]*SIZE  # inv[j] = j^{-1} mod MOD
fac = [0]*SIZE  # fac[j] = j! mod MOD
finv = [0]*SIZE # finv[j] = (j!)^{-1} mod MOD
fac[0] = fac[1] = 1
finv[0] = finv[1] = 1
for i in range(2,SIZE):
    fac[i] = fac[i-1]*i%MOD
finv[-1] = pow(fac[-1],MOD-2,MOD)
for i in range(SIZE-1,0,-1):
    finv[i-1] = finv[i]*i%MOD
    inv[i] = finv[i]*fac[i-1]%MOD

def choose(n,r): # nCk mod MOD の計算
    if 0 <= r <= n:
        return (fac[n]*finv[r]%MOD)*finv[n-r]%MOD
    else:
        return 0

def chofuku(box,ball): # nHk mod MOD の計算
    if box == ball == 0: return 1
    return choose(box+ball-1,ball)

def perm(n,r): # nPr mod MOD
    if 0 <= r <= n:
        return fac[n]*finv[n-r]%MOD
    else:
        return 0


T = int(input())
for _ in range(T):
    s = input()
    x,y = map(int,s[2:-1].split(","))
    if s[0] == "C":
        print(choose(x,y))
    elif s[0] == "P":
        print(perm(x,y))
    else:
        print(chofuku(x,y))