#include <iostream>

using namespace std;

int main()
{
    int d, n, direction, distance, x, y;

    cin >> d;

    while (d--)
    {
        cin >> n;
        x = 0;
        y = 0;
        while (n--)
        {
            cin >> direction >> distance;
            switch (direction)
            {
            case 0:
                y += distance;
                break;
            case 1:
                y -= distance;
                break;
            case 2:
                x += distance;
                break;
            case 3:
                x -= distance;
            }
        }
        if (x == 0 && y == 0)
        {
            cout << "studnia" << endl;
        }
        else
        {
            if (y > 0)
                cout << 0 << " " << y << endl;
            else if (y < 0)
                cout << 1 << " " << -y << endl;
            if (x > 0)
                cout << 2 << " " << x << endl;
            else if (x < 0)
                cout << 3 << " " << -x << endl;
        }
    }

    return 0;
}