1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
#include <cstdio>
#include <cstdint>

using namespace std;

const char tak[] = "TAK";
const char nie[] = "NIE";

const uint64_t p = 6947;
const uint64_t q = 7817;

int main() {
    char c;
    uint64_t i, n, h, hr, pi;

    scanf("%lld\n", &n);

    i = h = hr = 0;
    pi = 1;
    while (scanf("%c", &c) == 1) {
        if (c == 10) break;
        h = (h + (pi * c) % q) % q;
        hr = (((hr * p) % q) + c) % q;
        ++i;
        pi = (pi * p) % q;
    }
    printf("%s", h == hr ? tak : nie);
    return 0;
}