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#include <bits/stdc++.h>
#define ll long long int
#define pb push_back
#define st first
#define nd second
#define pii pair<int,int>
#define mp make_pair
#define pll pair<long long,long long>

using namespace std;

int cnt[26][2];

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n; cin>>n;
    string s; cin>>s;
    int p = 0;
    for(char x : s)
    {
        cnt[x - 'a'][p]++;
        p++;
        p %= 2;
    }
    p = 0;
    cin>>s;
    for(char x : s)
    {
        cnt[x - 'a'][p]--;
        p++;
        p %= 2;
    }

    bool ok = true;
    for(int i=0;i<26;i++)
    {
        for(int j=0;j<2;j++)
        {
            if(cnt[i][j] != 0) ok = false;
        }
    }
    if(ok) cout<<"TAK"<<"\n";
    else cout<<"NIE"<<"\n";

    return 0;
}