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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>

#define LETTERS_NO 26

int main(void) {
    int32_t* even = (int32_t*) malloc(sizeof(int32_t) * LETTERS_NO);
    int32_t* odd  = (int32_t*) malloc(sizeof(int32_t) * LETTERS_NO);
    for(uint32_t i = 0; i < LETTERS_NO; ++i) {
        odd[i] = 0;
        even[i] = 0;
    }

    uint32_t letters;
    char buffer;

    scanf("%u", &letters);

    scanf("%c", &buffer);

    for (uint32_t i = 0; i < letters; ++i) {
        scanf("%c", &buffer);
        if (i & 1)
            even[buffer - 'a']++;
        else
            odd[buffer - 'a']++;
    }

    scanf("%c", &buffer);

    for (uint32_t i = 0; i < letters; ++i) {
        scanf("%c", &buffer);
        if (i & 1)
            even[buffer - 'a']--;
        else
            odd[buffer - 'a']--;
    }

    char flag = 1;
    for(uint32_t i = 0; i < LETTERS_NO; ++i) {
        if (odd[i] || even[i]) {
            flag = 0;
            break;
        }
    }
    if (flag) 
        printf("TAK");
    else
        printf("NIE");

    free(even);
    free(odd);
}