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#include<bits/stdc++.h>
using namespace std;
#define rep(a, b) for(int a = 0; a < (b); ++a)
int lx[26][2], ly[26][2];
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n;
	string x, y;
	cin >> n >> x >> y;
	rep(i, n) {
		++lx[x[i]-'a'][i%2];
		++ly[y[i]-'a'][i%2];
	}
	bool t=true;
	rep(i, 26) {
		if(lx[i][0]!=ly[i][0] || lx[i][1]!=ly[i][1]) t=false;
	}
	if(t) cout << "TAK"; else cout << "NIE";
}