#include <iostream>
#include <fstream>
using namespace std;


int hash(int ogrno){
    int sayi = (ogrno%10)+(ogrno%100)/10;
    sayi  =sayi %13;
    return sayi ;
}


int main()
{
    ifstream d ("kayitlar.txt",ios::in);

    fstream r("random.txt",ios::out|ios::in);
    if(!d) return -1;
    if(!r) return -1;

    for(int i=0;i<13;i++) r << "*"<<endl;

    string isim; int nu;
    int satirnu;
    string satr;

        r.clear();
        r.seekp(0,ios::beg);
        r.seekg(0,ios::beg);
        for(int i=0;i<13;i++){
                getline(r,satr);
        cout<< satr<<endl;
        }

//http://stackoverflow.com/questions/28107636/replace-line-in-txt-file-c
        r.clear();
        r.seekg(0,ios::beg);
        for(int i=0;i<5;i++){
                getline(r,satr);
        cout<< satr<<endl;
        }
        r.seekp(r.tellg(),ios::beg);
        r<< "beşinci satır";

return 0;

        d>>nu>>isim;
    while(!d.eof()){
        satirnu = hash(nu);
        cout<< nu<< " "<< satirnu<<endl;
        d>>nu>>isim;

              satr = nu + " " + isim;
        r<<satr<<endl;
    }

    cout << "Hello world!" << endl;
    return 0;
}