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#include <iostream>
using namespace std;
string s;
int d;
int main()
{
    cin>>d;
    if(d==0)
    {
    cin>>s;
    int a=s.length();
    if(a%2==1){
    a=a/2+1;
    for(int i=a-2;i>=0;i--)
    {
        
        if(s[i]!=s[a])
        {cout<<"NIE";
        return 0;}
        a++;
        
    }
       cout<<"TAK";
        return 0; }
    a=a/2;
    for(int i=a-1;i>=0;i--)
    {
        if(s[i]!=s[a])
        {cout<<"NIE";
        return 0;}
        a++;
    }
    cout<<"TAK";
    }
    else
    {
    cin>>s;
    if(d%2==1){
    d=d/2+1;
    for(int i=d-2;i>=0;i--)
    {
        if(s[i]!=s[d])
        {cout<<"NIE";
        return 0;}
        d++;
    }
       cout<<"TAK";
        return 0; }
    d=d/2;
    for(int i=d-1;i>=0;i--)
    {
        if(s[i]!=s[d])
        {cout<<"NIE";
        return 0;}
        d++;
    }
    cout<<"TAK";
    }
    
return 0;}