#include <bits/stdc++.h>
using namespace std;
//*
#include <atcoder/all>
using namespace atcoder;
//using mint = modint998244353;
using mint = modint1000000007;
//*/
using ll = long long;
using ld = long double;
using pll = pair<ll, ll>;
using tlll = tuple<ll, ll, ll>;
constexpr ll INF = 1LL << 60;
template<class T> bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return false;}
template<class T> bool chmax(T& a, T b) {if (a < b) {a = b; return true;} return false;}
ll safemod(ll A, ll M) {return (A % M + M) % M;}
ll divfloor(ll A, ll B) {if (B < 0) {return divfloor(-A, -B);} return (A - safemod(A, B)) / B;}
ll divceil(ll A, ll B) {if (B < 0) {return divceil(-A, -B);} return divfloor(A + B - 1, B);}
ll mypowl(ll A, ll B) {ll res = 1; for (int i = 0; i < B; i++) {res *= A;} return res;}
template<class T> void unique(vector<T> &V) {V.erase(unique(V.begin(), V.end()), V.end());}
template<class T> void sortunique(vector<T> &V) {sort(V.begin(), V.end()); V.erase(unique(V.begin(), V.end()), V.end());}
#define FINALANS(A) do {cout << (A) << '\n'; exit(0);} while (false)
template<class T> void printvec(const vector<T> &V) {int _n = V.size(); for (int i = 0; i < _n; i++) cout << V[i] << (i == _n - 1 ? "" : " ");cout << '\n';}
template<class T> void printvect(const vector<T> &V) {for (auto v : V) cout << v << '\n';}
template<class T> void printvec2(const vector<vector<T>> &V) {for (auto &v : V) printvec(v);}

// http://drken1215.hatenablog.com/entry/2018/06/08/210000
template<class T = mint>
class combination
{
public:
  vector<T> fac, finv, inv;

  combination(int M)
  {
    fac.resize(M + 1);
    finv.resize(M + 1);
    inv.resize(M + 1);

    fac[0] = 1, finv[0] = 1;
    fac[1] = 1, finv[1] = 1, inv[1] = 1;
    for (int i = 2; i <= M; i++)
    {
      fac[i] = fac[i - 1] * i;
      inv[i] = -inv[T::mod() % i] * (T::mod() / i);
      finv[i] = finv[i - 1] * inv[i];
    }
  }

  T P(int N, int K)
  {
    if (N < K) return 0;
    if (N < 0 || K < 0) return 0;
    return fac[N] * finv[N - K];
  }

  T C(int N, int K)
  {
    if (N < K) return 0;
    if (N < 0 || K < 0) return 0;
    return fac[N] * finv[K] * finv[N - K];
  }

  T H(int N, int K) { return C(N + K - 1, K); }
};

/*
const ll MOD = 998244353;
class combination
{
public:
  vector<ll> fac, finv, inv;

  combination(ll M)
  {
    fac.resize(M + 1);
    finv.resize(M + 1);
    inv.resize(M + 1);

    fac.at(0) = 1, finv.at(0) = 1;
    fac.at(1) = 1, finv.at(1) = 1, inv.at(1) = 1;

    for (ll i = 2; i <= M; i++)
    {
      fac[i] = fac[i - 1] * i % MOD;
      inv[i] = MOD - inv.at(MOD % i) * (MOD / i) % MOD;
      finv[i] = finv[i - 1] * inv[i] % MOD;
    }
  }

  constexpr ll P(ll N, ll K)
  {
    if (N < K) return 0;
    if (N < 0 || K < 0) return 0;
    return fac.at(N) * finv.at(N - K) % MOD;
  }

  constexpr ll C(ll N, ll K)
  {
    if (N < K) return 0;
    if (N < 0 || K < 0) return 0;
    return fac.at(N) * (finv.at(K) * finv.at(N - K) % MOD) % MOD;
  }

  constexpr ll H(ll N, ll K) { return C(N + K - 1, K); }
};
//*/

int main()
{
  combination com(2000010);

  int T;
  cin >> T;
  while (T--)
  {
    char c1, c2, c3, c4;
    int N, K;
    cin >> c1 >> c2 >> N >> c3 >> K >> c4;

    if (c1 == 'P')
      cout << com.P(N, K).val() << '\n';
    else if (c1 == 'C')
      cout << com.C(N, K).val() << '\n';
    else if (c1 == 'H')
      cout << com.H(N, K).val() << '\n';
    else
      assert(false);
  }
}