#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define rep(i,a,b) for(int i = a; i < b; i++)
#define repl(i,a,b) for(ll i = a; i < b; i++)
#define REP(i,a,b) for(int i = a; i <=b; i++)
#define REPL(i,a,b) for(ll i = a; i <=b; i++)
#define fore(i,a) for(auto &i : a)
#define all(x) (x).begin(),(x).end()
#define fix(i) fixed << setprecision(i)
#define nextp(v) next_permutation(all(v))



template<class T>bool chmax(T& a, const T& b) { if(a < b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T& a, const T& b) { if(b < a) { a = b; return 1; } return 0; }

using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pq = priority_queue<int>;
using pqll = priority_queue<ll>;



const ll INF = LLONG_MAX/2;
const ll MOD = 1000000007;


struct Comb {
  vector<ll> fact, rfact;
  
  ll inv(int X) {
    ll Res = 1, K = MOD-2, Y = X;
    
    while(K) {
      if(K & 1) Res = (Res * Y) % MOD;
      Y = (Y * Y) % MOD;
      K /= 2;
    }
    
    return Res;
  }
  
  Comb(int N) {
    fact.resize(N); 
    fact[0] = 1; 
    
    rep(i,1,N) fact[i] = fact[i-1]*i % MOD;
    
    rfact.resize(N);
    rfact[N-1] = inv(fact[N-1]);
    
    for(int i = N-2; i >= 0; i--) rfact[i] = (rfact[i+1] * (i+1)) % MOD;
  }
  
  ll C(int N, int K) {
    if (K < 0 || N < K) return 0;
    
    ll A = fact[N], B = rfact[N-K], C = rfact[K];
    
    ll BC = (B * C) % MOD;
    
    return (A * BC) % MOD;
  }
  
  ll P(int N, int K) {
    if (K < 0 || N < K) return 0;
    
    ll A = fact[N], B = rfact[N-K];
    
    return (A * B) % MOD;
  }
  
  ll H(int N, int K) {
    if (N == 0 && K == 0) return 1;
    
    return C(N+K-1, K);
  }
};


int main() {
  int N; cin >> N;
  
  Comb combo(2000001);
  
  rep(i,0,N) {
    char Type, Ignore; int A, B;
    
    cin >> Type >> Ignore >> A >> Ignore >> B >> Ignore;
    
    
    ll Res;
    
    if(Type == 'C') Res = combo.C(A, B);
    else if(Type == 'P') Res = combo.P(A, B);
    else if(Type == 'H') Res = combo.H(A, B);
    
    printf("%lld\n", Res);
  }
}