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#include <iostream>
using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);

    int n;
    cin>>n;

    long long const lp=1004355043;
    long long haszl=0, haszp=0, mp=1;
    char c;
    int l;
    while(cin>>c)
    {
        if(c=='a')
            l=0;
        else if(c=='b')
            l=1;
        else if(c=='c')
            l=2;
        else if(c=='d')
            l=3;
        else if(c=='e')
            l=4;
        else if(c=='f')
            l=5;
        else if(c=='g')
            l=6;
        else if(c=='h')
            l=7;
        else if(c=='i')
            l=8;
        else if(c=='j')
            l=9;
        else if(c=='k')
            l=10;
        else if(c=='l')
            l=11;
        else if(c=='m')
            l=12;
        else if(c=='n')
            l=13;
        else if(c=='o')
            l=14;
        else if(c=='p')
            l=15;
        else if(c=='q')
            l=16;
        else if(c=='r')
            l=17;
        else if(c=='s')
            l=18;
        else if(c=='t')
            l=19;
        else if(c=='u')
            l=20;
        else if(c=='v')
            l=21;
        else if(c=='w')
            l=22;
        else if(c=='x')
            l=23;
        else if(c=='y')
            l=24;
        else if(c=='z')
            l=25;
        haszl=(haszl+(l*(mp)))%lp;
        mp=(mp*26)%lp;
        haszp=(haszp*26+l)%lp;
    }
    //cout<<haszl<<' '<<haszp<<endl;
    if(haszl==haszp)
        cout<<"TAK"<<'\n';
    else
        cout<<"NIE"<<'\n';
}