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
30
31
32
33
34
35
36
37
38
39
#include <iostream>
#include <cmath>
using namespace std;

bool pierwsza(long long n)
{
    if (n < 2)
        return false;
    if (n == 2)
        return true;
    for (long long i = 2; i<=sqrt(n); i++)
        if (n%i == 0)
            return false;
    return true;
}

int main()
{
    long long input, right, left, potega=1;
    cin >>input;
    bool druga = false;
    do{
        potega*=10;
        right = input % potega;
        left = input / potega;

        if ((input/(potega/10)) % 10 == 0)
                continue;
        if (pierwsza(left)==true && pierwsza(right)==true)
            druga = true;
    }while (left >= 10);

    if (druga)
        cout <<"TAK";
    else
        cout <<"NIE";
    return 0;

}