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

int main(int argc, char *argv[]){

        if (argc == 1){
                fprintf(stderr,"Adjon meg egy számot!\n");
                return 0;
        }
        FILE *f = fopen("szamok.txt","w+");
        int n = atoi(argv[1]);
        char c;
        srand(time(NULL));
        int szam;
        for (int i = 0; i < n; i++){
                fprintf(f,"%d\n",rand()%(50-2+1)+2);
        }
        fseek(f,1,SEEK_SET);
        FILE *g = fopen("szamok2.txt","w+");
        while (1){
                fscanf(f,"%d",&szam);
                if (feof(f)) break;
                fprintf(g,"%d\n",szam);
        }
        fclose(f);
        fclose(g);

return 0;
}