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

#define rep(i, b, e) for(int i = (b); i <= (e); i++)
#define per(i, b, e) for(int i = (e); i >= (b); i--)
#define FOR(i, b, e) rep(i, b, (e) - 1)
#define SZ(x) int(x.size())
#define all(x) x.begin(), x.end()
#define pb push_back
#define mp make_pair
#define st first
#define nd second
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;

auto &operator<<(auto &o, pair<auto, auto> p) {
    return o << "(" << p.st << ", " << p.nd << ")"; }
auto operator<<(auto &o, auto x)->decltype(end(x), o) {
    o << "{"; int i=0; for(auto e: x) o << ", " + 2*!i++ << e;
    return o << "}"; }
#ifdef LOCAL
#define deb(x...) cerr << "[" #x "]: ", [](auto...$) { \
    ((cerr << $ << "; "),...) << endl; }(x)
#else
#define deb(...)
#endif

void solve() {
    int n;
    cin >> n;
    vi vec(n);
    for(auto &x: vec) cin >> x;
    auto nie = []() { cout << "NIE\n"; };
    bool starting = 0;
    FOR(i, 0, n) {
        if(i + 1 == n) {
            if(vec[i] > 1) return nie();
            continue;
        }
        int x = vec[i], y = vec[i + 1];
        if(x == 0 && starting) {
            if(*max_element(i + all(vec)) > 0) return nie();
            break;
        }
        if(x - y > 1) return nie();
        if(x - y == 1) {
            if(i + 2 < n && *max_element(i + 2 + all(vec)) > 0) return nie();
            break;
        }
        if(x == y && x > 0) i++, starting = 1;
        if(x < y) vec[i + 1] -= x - starting;
    }
    cout << "TAK\n";
}

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int tt = 1;
    cin >> tt;
    FOR(te, 0, tt) solve();
    return 0;
}