#include <iostream>
using namespace std;
int main() {
string a;
int licznik=0;
cin>>a;
for(int i=0;i<=a.length()/2;i++)
{
if(a[i]!=a[a.length()-i-1])
{
licznik++;
}
}
if(licznik<=0)
{
cout<<"TAK";
}
else
{
cout<<"NIE";
}
}
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