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#include <iostream>

using namespace std;

int main(int argc, char **argv) {
    int num, zi;
    char zc;
    int zad[5][3] = {{0}};
    bool ok = true;

    ios::sync_with_stdio(false);
    
    cin >> num;

    for(int i=0;i<num;++i) {
        cin >> zi >> zc;
        ++zad[zi-1][zc-'A'];
    }
    
    for(int i=0;i<4;++i) {
        for(int j=0;j<3;++j) {
            if(zad[i][j]==0) {
                ok = false;
                
                break;
            }
        }
    }
    
    for(int i=0;i<3;++i)
        if(zad[4][i]<2) {
            ok = false;
            
            break;
        }
    
    if(ok)
        cout << "TAK" << endl;
    else
        cout << "NIE" << endl;

    return 0;
}