#include <iostream.h> 
#include <fstream.h>
#include <string.h>
void main()

{
   ofstream book_file("123.txt");
   ifstream input_file("123.txt");
   char one[64], two[64], stroka1 [128];
   input_file.getline(one, sizeof(one)) ;
   input_file.getline(two, sizeof(two));
   cout << one << endl;
   cout << two << endl;
   cout<<"vvedite slovo: ";
   cin.getline(stroka1,64);
   book_file<< strcat(stroka1 ,one)<<strcat(stroka1 ,two);
}