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

void debug(vector<int> vec){
    for(auto x:vec){
        cout << x << " ";
    }
    cout << "\n";
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int z;
    cin >> z;
    while(z--){
        int n;
        vector<long long> zabawki;
        cin >> n;
        int x;
        for(int i=0;i<n;i++){
            cin >> x;
            zabawki.push_back(x);
        }
        long long sum=0;
        bool used=0;
        bool ended=0;
        for(int x=0;x<n-1;x++){
            // if(zabawki[x]==0 && zabawki[x+1]==0)
            //     continue;
            if(zabawki[x]<0 || (zabawki[x]>0 && ended)){
                sum = 1;
                break;
            }
            if(zabawki[x]>=zabawki[x+1] && !used && zabawki[x]!=0){
                used=1;
                zabawki[x]--;
            }
            zabawki[x+1]-=zabawki[x];zabawki[x]-=zabawki[x];
            if(used && !ended){
                if(zabawki[x+1]==0){
                    ended=1;
                }else{
                    zabawki[x+1]--;
                }
            }
        }
        if(zabawki[n-1]<0)sum=1;
        if(zabawki[n-1]>1)sum=1;
        if(zabawki[n-1]==1 && used)sum=1;
        if(sum==0){
            cout << "TAK\n";
        }else{
            cout << "NIE\n";
        }
    }
    return 0;
}