#include <bits/stdc++.h>

#define REP(i, n) for (int i = 0; i < (n); i++)
#define FOR(i, init, n) for (int i = init; i < (n); i++)
#define ALL(obj) (obj).begin(), (obj).end()
#define fi first
#define se second

using namespace std;
using ll = long long int;
using P = pair<int, int>;
using T = tuple<int, int, int>;
using edge = struct
{
    int to, cost;
};

const int MOD = 1e9 + 7;
const int iINF = 1e9;
const long long int llINF = 1e18;
const double PI = acos(-1.0);

const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, 1, 0, -1};

const int MAX = 3000000;

vector<ll> fac(MAX + 1);
vector<ll> modFac(MAX + 1);

ll powMod(ll n, ll p)
{
    ll ans = 1;

    while (p != 0)
    {
        if (p & 1)
            ans = ans * n % MOD;

        n = n * n % MOD;

        p = p >> 1;
    }

    return ans;
}

ll comb(ll n, ll r)
{
    if (n == 0 && r == 0)
        return 1;

    if (n < r || n < 0)
        return 0;

    return (fac[n] * modFac[r]) % MOD * modFac[n - r] % MOD;
}

ll dupc(ll n, ll r)
{
    if (n == 0 && r == 0)
        return 1;

    if (n <= 0 || r < 0)
        return 0;

    return ((fac[n + r - 1] * modFac[n - 1]) % MOD * modFac[r]) % MOD;
}

ll perm(ll n, ll r)
{
    if(r < 0 || n < r)
        return 0;

    return (fac[n] * modFac[n - r]) % MOD;
}

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    fac[0] = 1;
    modFac[0] = 1;

    REP(i, MAX)
    {
        fac[i + 1] = (fac[i] * (i + 1)) % MOD;
        modFac[i + 1] = modFac[i] * powMod(i + 1, MOD - 2) % MOD;
    }

    int T, N, K;
    cin >> T;
    char com, a, b, c, d;

    REP(i, T)
    {
        cin >> com >> a >> N >> b >> K >> c;


        ll ans;

        if(com == 'P')
        {
            ans = perm(N, K);
        } 
        else if(com == 'C')
        {
            ans = comb(N, K);
        }
        else
        {
            ans = dupc(N, K);
        }

        cout << ans << endl;
    }

    return 0;
}