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#include <bits/stdc++.h>
using namespace std;

#define ll long long

ll tab[1000007];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int t;
    cin >> t;

    for (int q = 0; q < t; q++) {
        int n;
        cin >> n;

        bool ans = true;
        for (int i = 0; i < n; i++) {
            cin >> tab[i];
        }

        int start = 0, end = n - 1;
        while (tab[start] == 0ll) start++;
        while (tab[end] == 0ll) end--;

        // cout << "start = " << start << "end = " << end << "\n";
        
        bool ones = true;
        for (int i = start; i <= end; i++) {
            if (tab[i] == 0ll) ans = false;
            if (tab[i] != 1ll) ones = false;
        }

        if (start == end && tab[start] > 1) {
            ans = false;
        }
        if (start + 1 == end && abs(tab[start] - tab[end]) > 1) {
            ans = false;
        }

        if (!ones && end > start + 1) {

        if (ans) {
            for (int i = start; i < end; i++) {
                ll d = min(tab[i], tab[i + 1]);
                // if (d == 0ll) ans = false;
                // cout << "d = " << d << "\n";
                tab[i] -= d;

                if (i + 1 == end) tab[i + 1] -= d;
                else tab[i + 1] -= (d - 1);
            }

            // cout << "Krok 1\n";
            // for (int i = 0; i < n; i++) {
            //     cout << tab[i] << " ";
            // }
            // cout << "\n";
            
            ll ile = 0ll;
            for (int i = start; i <= end; i++) {
                if (tab[i] >= 1ll && (i == start || i == end)) {
                    ans = false;
                }
                if (tab[i] > 0ll) {
                    ile+=tab[i];
                    if (ile > 2) {
                        ans = false;
                    }
                }
            }

            
        }
        }

        if (ans) {
            cout << "TAK\n";
        }
        else {
            cout << "NIE\n";
        }
    }
}