6

#include <iostream>
#include <fstream>
#include <cstdlib>

using namespace std;

int i=0, j=0;

int main()
{
    ifstream myfile("dane.txt");
    if(!myfile.good() && !myfile.open())  {cout << "Fuck!"; exit(0);}

    int numbers[320], counter=0;
    while(myfile >> numbers[i]){
        if(i==319){
            for(j=0; j<320; j++){
                if(numbers[j] != numbers[319-j])
                    {counter++; break;}
            }
            i=0;
        }else
            i++;
    }

    cout << counter;

    myfile.close();
    return 0;
}