#include <cstdio>
#include <cstdlib>
#include <cstddef>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <iostream>
#include <iomanip>
#define L64 long long
#define MOD (1000000007LL)
L64 modpow(L64 src, L64 pow, L64 mod)
{
  L64 res = 1;
  while (0 < pow) {
    if (pow % 2 == 1) {
      res = (res * src) % mod;
      pow--;
    }
    src = (src * src) % mod;
    pow /= 2;
  }
  return res;
}

L64 modinv(L64 src, L64 mod)
{
  return modpow(src, mod - 2, mod);
}

int main(void)
{
  std::vector<L64> factorials;
  factorials.resize(2000001);
  factorials[0] = 1;
  char c[100];
  L64 a, b;
  int t;
  char tp;

  for(L64 i = 1; i <= 2000000; i++){
    factorials[i] = (factorials[i - 1] * i) % MOD;
  }

  std::cin >> t;
  for(int i = 0; i < t; i++){
    scanf("%s", &c);
    tp = c[0];
    int pos = 2;
    a = 0;
    while(true){
      char tmp = c[pos];
      if(tmp == ','){
      pos++;
        break;
      } else {
        a = a * 10LL + (L64)(tmp - 48);
        pos++;
      }
    }
    b = 0;
    while(true){
      char tmp = c[pos];
      if(tmp == ')'){
      pos++;
        break;
      } else {
        b = b * 10LL + (L64)(tmp - 48);
        pos++;
      }
    }
    if(a == 0){
      if(b == 0){
        std::cout << 1 << std::endl;
      } else {
        std::cout << 0 << std::endl;
      }
    } else if(tp != 'H' && a < b){
      std::cout << 0 << std::endl;
    } else if(tp == 'C'){
      L64 ret = factorials[a];
      L64 div = factorials[a - b];
      ret = (ret * modinv(div, MOD)) % MOD;
      div = factorials[b];
      ret = (ret * modinv(div, MOD)) % MOD;
      std::cout << ret << std::endl;
    } else if(tp == 'P'){
      L64 ret = factorials[a];
      L64 div = factorials[a - b];
      ret = (ret * modinv(div, MOD)) % MOD;
      std::cout << ret << std::endl;
    } else {
      a = a + b - 1;
      L64 ret = factorials[a];
      L64 div = factorials[a - b];
      ret = (ret * modinv(div, MOD)) % MOD;
      div = factorials[b];
      ret = (ret * modinv(div, MOD)) % MOD;
      std::cout << ret << std::endl;
    }
  }
}