#include <iostream>
using namespace std;

int main()
{ 
    int n;
    cin>>n;
    string h,k;
    cin>>h;
    cin>>k;
    int np[26]={},p[26]={};
       int npk[26]={},pk[26]={};
    for(int i=0;i<n;i++)
    {if(i%2)
    {np[h[i]-97]++; npk[k[i]-97]++;
        
    }
    else
    {
        p[h[i]-97]++; pk[k[i]-97]++;
    }
    }
    for(int i=0;i<26;i++)
    {if(p[i]!=pk[i]||np[i]!=npk[i]){cout<<"NIE";return 0;}
        
        
    }
    cout<<"TAK";
    return 0;
}