#include #include class BinomModPrime { int p; std::vector fa, ifa; // Calculate binom(n, k) mod p for n, k < p. int calc(int n, int k) { if (n < k) return 0; long long res = fa[n]; res = (res * ifa[k]) % p; res = (res * ifa[n - k]) % p; return res; } public: BinomModPrime(int p) : p(p), fa(p), ifa(p) { // Factorials mod p till p. fa[0] = 1; for (int i = 1; i < p; ++i) { fa[i] = (long long)fa[i - 1] * i % p; } // Inverse of factorials mod p till p. ifa[p - 1] = p - 1; // Wilson's theorem. for (int i = p - 1; i; --i) { ifa[i - 1] = (long long)ifa[i] * i % p; } } // Calculate binom(n, k) mod p. int binomial(long long n, long long k) { long long res = 1; while (n || k) { res = (res * calc(n % p, k % p)) % p; n /= p; k /= p; } return res; } }; int main() { int t, p; std::cin >> t; p=2; BinomModPrime bm(p); for (; t; --t) { long long a,b,c; std::cin >> a>>b>>c; long long d=c*bm.binomial(b+c-1,b)%2ll; std::cout << bm.binomial(d+a-1,a)*c%2ll << '\n'; } return 0; }