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#include <iostream>
using namespace std;
int pa[30], npa[30], pb[30], npb[30];
int main() {
    int n;
    string a,b;
    cin>>n>>a>>b;
    for(int i=0;i<n;i++)
    {
        if(i%2==1) npa[int(a[i])-97]++;
        if(i%2==0) pa[int(a[i])-97]++;
        if(i%2==1) npb[int(b[i])-97]++;
        if(i%2==0) pb[int(b[i])-97]++;
    }
    for(int i=0;i<30;i++)
    {
        if(pa[i]!=pb[i] || npa[i]!=npb[i])
        {
            cout<<"NIE";
            return 0;
        }
    }
    cout<<"TAK";
    return 0;
}