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#include<bits/stdc++.h>
using namespace std;

int tab[3][5];

int main(){

    int n;
        cin>>n;

    for(int i=0;i<n;++i){
        string x;
            cin>>x;
                tab[int(x[1])-65][int(x[0])-49]+=1;
                //cout<<int(x[1])-65<<" "<<int(x[0])-49<<endl;

    }
    for(int i=0;i<3;++i){
        for(int j=0;j<5;++j){
            //cout<<" "<<tab[i][j]<<" ";
            if(j!=4){
                if(tab[i][j]==0){
                    cout<<"NIE";
                        return 0;
                }
            }
            else{
                if(tab[i][j]<2){
                    cout<<"NIE";
                        return 0;
                }
            }
        }
    }

    cout<<"TAK";
        return 0;
}