#include <iostream>
using namespace std;

void solve() {
    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;

            if (b >= x) {
                b = b - x;
            } else {
                b = 0;
            }
        }

        cout << a << " " << b << endl;
    }
}

int main() {
    solve();
    return 0;
}