#include <bits/stdc++.h>
using namespace std;
using i64 = int_fast64_t;
using ui64 = uint_fast64_t;
#define REP(i, n) for (i64 (i) = 0; (i) < (n); ++(i))
#define FOR(i, a, b) for (i64 (i) = (a); (i) < (b); ++(i))

struct Combination {
    using i64 = int_fast64_t;
    using ui64 = uint_fast64_t;
    static const ui64 MAX = 2020202;
    ui64 MOD;
    vector<ui64> fac, finv, inv;
    bool expand_to_minus;
    Combination(i64 MOD = (i64)1e9 + 7, bool expand_to_minus = true) :
        MOD(MOD), expand_to_minus(expand_to_minus) {
        fac.resize(MAX , 0);
        finv.resize(MAX , 0);
        inv.resize(MAX , 0);
        fac[0] = fac[1] = finv[0] = finv[1] = inv[1] = 1;
        for (i64 i = 2; i < MAX; ++i) {
            fac[i] = fac[i - 1] * i % MOD;
            inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD;
            finv[i] = finv[i - 1] * inv[i] % MOD;
        }
    }
    ui64 C(i64 n, i64 k) {
        if (n < k || k < 0) return 0;
        return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
    }
    ui64 P(i64 N, i64 K) {
        return N >= K ? (fac[N] * finv[N - K]) % MOD : 0;
    }
    ui64 H(i64 N, i64 K) {
        return (N == 0 && K == 0) ? 1 : C(N + K - 1 , K);
    }
};

signed main() {

    cin.tie(0);
    ios::sync_with_stdio(false);

    Combination Z;

    int N;
    cin >> N;

    REP(i, N) {
        char in;
        cin >> in;
        char dust;
        cin >> dust;
        i64 a, b;
        cin >> a >> dust >> b >> dust;
        if (in == 'C') {
            cout << Z.C(a, b) << endl;
        } else if (in == 'P') {
            cout << Z.P(a, b) << endl;
        } else {
            cout << Z.H(a, b) << endl;
        }
    }

}