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#include <vector>
#include <cstdio>

using namespace std;

vector<vector<int>> srcCount;
vector<vector<int>> dstCount;
char src[313131];
char dst[313131];

void countOccurrences(int n, char* c, vector<vector<int>>& counts) {
  for(int i=0;i<2;i++) {
    counts.push_back(vector<int>(26, 0));
  }
  for(int i=0;i<n;i++) {
    counts[i%2][c[i]-'a']++;
  }
}

int main(int argc, char** argv) {
  int n;
  scanf("%d\n",&n);
  fgets(src,313131,stdin);
  fgets(dst,313131,stdin);

  countOccurrences(n, src, srcCount);
  countOccurrences(n, dst, dstCount);

  printf(srcCount == dstCount?"TAK\n":"NIE\n");
  return 0;
}