#include<bits/stdc++.h>
using namespace std;
#define N (1000000000+7)
//#define N 998244353
#define INF 1e18
typedef long long ll;
typedef vector<ll> vec;
typedef vector<vec> mat;
const int inf = (int)1e9; 

ll inv(ll x,ll power) {
	ll res = 1;
	ll k = power;
	ll y = x%N;
	while (k) {
		if (k & 1)res = (res*y) % N;
		y = (y%N*y%N) % N;
		k /= 2;
	}
	return res;
}

int main(void){
    int S;
    cin>>S;
    while(S--){
        ll n,m,x;
        cin>>n>>m>>x;
        ll INV = inv(2LL,N-2);
        ll ans1 = (inv(m+1,n)+inv(m-1,n))%N;
        ans1 = (ans1+N)%N;
        ans1= (ans1*INV)%N;
        ll ans2 = (inv(m+1,n)-inv(m-1,n))%N;
        ans2 = (ans2+N)%N;
        ans2 = (ans2*INV)%N;
        if(n%2==0){
            if(x==0)cout<<ans1<<endl;
            else cout<<ans2<<endl;
        }
        else{
            if(x==0)cout<<ans2<<endl;
            else cout<<ans1<<endl;
        }
    }
    return 0;
}