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#include <iostream>

using namespace std;

int main(){
    int t;

    cin >> t;

    for (int i =  0; i < t; ++i){
        int n;

        cin >> n;

        long long aSum = 0;
        long long bSum = 0;

        int aMin = 1000000, aMax = 1, bMin = 1000000, bMax = 1;

        int l;
        int a;
        int b;

        for (int j = 0; j < n; ++j){
            cin >> l >> a >> b;

            aSum += l * a;
            bSum += l * b;

            if (a < aMin)
                aMin = a;
            if (a > aMax)
                aMax = a;
            if (b < bMin)
                bMin = b;
            if (b > bMax)
                bMax = b;
        }

        if (aSum == bSum && aMin <= bMin && aMax >= bMax)
            cout << "TAK" << endl;
        else
            cout << "NIE" << endl;
    }

    return 0;
}