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#include <iostream>
#include <fstream>
#include <map>
#include <string>

using namespace std;

#ifdef USE_CERR_LOG
#define LOG if (true) cerr
const bool LogEnabled = true;
#else
#define LOG if (false) cerr
const bool LogEnabled = false;
#endif

bool LogBigEnabled = true;

#ifdef USE_FILE_CIN
ifstream fin("zab0.in");
#define cin fin
#endif


int main() {
    int n;
    string srcToys, destToys;
    map<pair<char, int>, int> toyCount;
    
    cin >> n >> srcToys >> destToys;
    bool ok = true;
    
    for (int i = 0; i < n; i++) {
        char toy = destToys[i];
        toyCount[make_pair(toy, i&1)] ++;
    }
    
    for (int i = 0; i < n; i++) {
        char toy = srcToys[i];
        auto toyAndPos = make_pair(toy, i&1);
        
        if (toyCount[toyAndPos] > 0) {
            toyCount[toyAndPos] --;
        } else {
            ok = false;
            break;
        }
    }
    
    cout << (ok ? "TAK" : "NIE");
    
	return 0;
}