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#include <bits/stdc++.h>
#define ll long long int
#define pb push_back
#define st first
#define nd second
#define pii pair<int,int>
#define mp make_pair
#define pll pair<long long,long long>

using namespace std;

int jest[25];

int main()
{

    int n; cin>>n;
    bool ok = true;
    while(n--)
    {
        char x,d; cin>>x>>d;
        int pos = (x - '1') * 3 + (d - 'A' + 1);
        jest[pos]++;
    }
    for(int i=1;i<=12;i++)
    {
        if(jest[i] == 0) ok = false;
    }
    for(int i=13;i<=15;i++)
    {
        if(jest[i] < 2) ok = false;
    }
    if(ok) cout<<"TAK"<<"\n";
    else cout<<"NIE"<<"\n";

    return 0;
}