#include<cstdio>
typedef long long LL;
const LL n[4]={362,546961,3020,65563},
d[4]={197999881,197999881,198000259,198000259};
LL p[4]={1,1,1,1},s[4]={};
int main()
{
scanf("%*d\n");
char c;
int i;
while(scanf(" %c",&c)!=EOF)
{
// printf("%d ",c);
for(i=0;i<4;++i)
s[i]=(s[i]+c*p[i])%d[i],p[i]=p[i]*n[i]%d[i];
}
s[0]=s[0]*p[1]%d[1]*n[0]%d[1];
s[2]=s[2]*p[3]%d[3]*n[2]%d[3];
//printf("\n%lld %lld %lld %lld\n",s[0],s[1],s[2],s[3]);
if(s[0]==s[1] && s[2]==s[3])
printf("TAK");
else
printf("NIE");
return 0;
}