#include <cstdlib>
#include <iostream>
#include <cstring>

using namespace std;

int main(int argc, char *argv[])
{
    char *x;
    cout<<"Wprowadź wyraz: ";
    cin>>*x;
    if ((strlen(x)<5) && (strlen(x)>12))
    {
    cout<<"OK";
    }
    else
    {
    cout<<"BLAD";
    }
    system("PAUSE");
    return EXIT_SUCCESS;
}