#include <bits/stdc++.h>
using namespace std;

using ll = long long;
constexpr int mod = 1e9 + 7;

constexpr int FMAX = 2020202;
ll fac[FMAX], inv[FMAX], finv[FMAX];
void COMinit(void) {
	fac[0] = fac[1] = inv[1] = finv[0] = finv[1] = 1;
	for(int i = 2; i < FMAX; ++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;
	}
}

ll C(int a, int b) {
	if(a < 0 or b < 0 or a < b) return 0;
	return fac[a] * finv[b] % mod * finv[a - b] % mod;
}
ll P(int a, int b) {
	if(a < 0 or b < 0 or a < b) return 0;
	return fac[a] * finv[a - b] % mod;
}
ll H(int a, int b) {return C(a + b - 1, b);}

int main(void) {
	COMinit();
	
	int T;
	cin >> T;
	
	while(T--) {
		string S;
		cin >> S;
		
		char c = S[0];
		S.pop_back();
		S.erase(S.begin());
		S.erase(S.begin());
		
		int col = -1;
		for(int i = 0; i < (int)S.size(); ++i) if(S[i] == ',') col = i;
		
		int a = stoi(S.substr(0, col)), b = stoi(S.substr(col + 1));
		
		if(c == 'C') cout << C(a, b) << "\n";
		if(c == 'P') cout << P(a, b) << "\n";
		if(c == 'H') cout << H(a, b) << "\n";
	}
	
	return 0;
}