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#include <stdio.h>

int main()
{
    int n;
    int ntasks[5][3] = {};
    
    scanf("%d", &n);
    while (n--)
    {
        char task[3];
        
        scanf("%s", task);
        ntasks[task[0] - '1'][task[1] - 'A']++;
    }
    
    bool ok = true;
    
    for (int j = 0; j < 3; j++)
    {
        for (int i = 0; i < 4; i++)
            if (ntasks[i][j] == 0) ok = false;
        if (ntasks[4][j] < 2) ok = false;
    }
    
    if (ok)
        printf("TAK\n");
    else
        printf("NIE\n");
    
    return 0;
}