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#include <bits/stdc++.h>
#define deb(x) 
#define fr front
#define pob pop_back
#define last(V) V[V.size()-1]
#define sp <<" "<<
#define ent <<"\n"
#define mp make_pair
#define pb push_back
#define pu push
#define st first
#define nd second
#define VI vector<int>
#define VII vector<pair<int,int> >
#define inf 1000000009
#define uns unsigned
#define ll long long
#define ld long double
#define uint unsigned int

using namespace std;
const int MN=0;
string s;
int n;
ll ss;
int i=0;
int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>n;
    cin>>s;
    ss=s.size();
    for(;i<ss/2;i++)
    {
  //      cout<<s[i] sp s[ss-i-1] ent;
        if(s[i]!=s[ss-i-1])
        {
            cout<<"NIE" ent;
            return 0;
        }
    }
	
    cout<<"TAK" ent;
    return 0;
}