Programs

 #include<fstream.h>
 #include<conio.h>
 void main()
 {
  ifstream fin1,fin2;
  fin1.open("num1.cpp");
  fin2.open("num2.cpp");
  ofstream fout;
  fout.open("nos.cpp");
  int num;
  clrscr();
  while(!fin1.eof())
  {
  fin1>>num;
  fout<<num;
  }
  while(!fin2.eof())
  {
  fin2>>num;
  fout<<num;
  }
  cout<<"nums stored in 3rd file";
  fin1.close();
  fin2.close();
  fout.close();
  getch();
 }