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#include "bits/stdc++.h"
using namespace std;

#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define REP(i, n) FOR(i, 0, (n) - 1)

// Ignacy Boehlke

int c[2][52];
int main() {
    int n;
    scanf("%d", &n);

    char in;
    REP(j, 2) {
        REP(i, n) {
            scanf(" %c", &in);
            ++c[j][(in - 'a') * 2 + (i & 1)];
        }
    }
    bool ok = true;
    REP(i, 52) if (c[0][i] != c[1][i]) ok = false;
    printf(ok ? "TAK\n" : "NIE\n");
}