Open multiple files for reading and writing purposes using C++

//open multiple files for
//reading and writing purposes
#include<fstream.h>
#include<conio.h>
void main()
{
 clrscr();
  ofstream out;
  //writing data
  out.open("months");//opens file
  out<<"March\n"; //writes string to the file
  out<<"April\n";
  out<<"May\n";
  out.close();//closes the file
  out.open("days");//opens another file
  out<<"31\n";
  out<<"30\n";
  out<<"31\n";
  out.close();//closes second file
  //reading data
  char text[20];
  ifstream in;
  in.open("months"); //opens file for reading
  cout<<"\nMonths are\n";
  while(in)
  {
   in.getline(text,20);
   cout<<text<<"\n";
  }
  in.close();
  in.open("days");

  cout<<"\nDays are\n";
  while(in)
  {
   in.getline(text,20);
   cout<<text<<"\n";
  }
  in.close();

 getch();
}