#include <iostream>
using namespace std;

int main() {
    int T;
    cin >> T;
    while (T--) {
        long long A, B, X;
        cin >> A >> B >> X;

        if (A >= X) {
            A =A-X;
        } else {
            X =X-A;
            A = 0;
            B =B-X;
        }

        cout << A << " " << B << endl;
    }
}