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#include <iostream>
#include <stdio.h>

using namespace std;

const long long inf=1000000007,P1=101,P2=107;

int main(){
    long long h11=0,h12=0,pom1=1,h21=0,h22=0,pom2=1;
    int n;
    char c;
    cin >> n;
    if(n!=0){
        while(n--){
            cin >> c;
            h11*=P1;
            h11+=c-'a';
            h12+=pom1*(c-'a');
            pom1*=P1;
            h21*=P2;
            h21+=c-'a';
            h22+=pom2*(c-'a');
            pom2*=P2;
            h11%=inf;
            h12%=inf;
            pom1%=inf;
            h21%=inf;
            h22%=inf;
            pom2%=inf;
        }
        if(h11==h12&&h21==h22)cout<<"TAK"<<endl;
        else cout<<"NIE"<<endl;
    }
    else{
        cin >> c;
        do{
            h11*=P1;
            h11+=c-'a';
            h12+=pom1*(c-'a');
            pom1*=P1;
            h21*=P2;
            h21+=c-'a';
            h22+=pom2*(c-'a');
            pom2*=P2;
            h11%=inf;
            h12%=inf;
            pom1%=inf;
            h21%=inf;
            h22%=inf;
            pom2%=inf;
            c=getchar();
        }while(c!='\n');
        if(h11==h12&&h21==h22)cout<<"TAK"<<endl;
        else cout<<"NIE"<<endl;
    }
}