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#include<bits/stdc++.h>

using namespace std;
int t1[26], t2[26], t3[26], t4[26], n;
string s1, s2;
int main()
{
    cin>>n>>s1>>s2;
    for(int i=0;i<n;i++)
    {
        if(i%2==0)
        {
            t1[s1[i]-97]++;
            t2[s2[i]-97]++;
        }
        else
        {
            t3[s1[i]-97]++;
            t4[s2[i]-97]++;
        }
    }
    for(int i=0;i<26;i++)
    {
        if(t1[i]!=t2[i]||t3[i]!=t4[i])
        {
            cout<<"NIE";
            exit(0);
        }
    }
    cout<<"TAK";

    return 0;
}