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#include <bits/stdc++.h>

using namespace std;

#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define ll long long
int mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;

int ile1[2][26],ile2[2][26];

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin>>n;
    string a,b;
    cin>>a>>b;
    for(int i=0;i<n;i++) ile1[i%2][a[i]-'a']++;
    for(int i=0;i<n;i++) ile2[i%2][b[i]-'a']++;
    bool ok=1;
    for(int i=0;i<26;i++)
    {
        if(ile1[0][i]!=ile2[0][i]||ile1[1][i]!=ile2[1][i]) ok=0;
    }
    if(!ok) cout<<"NIE";
    else cout<<"TAK";



    return 0;
}