#include <fstream>
#include <iostream>

using namespace std;
const string SRC_FILE_PATH = "./29.in";
const string DST_FILE_PATH = "./29.out";

int main() {
  string line;

  fstream src, dst;
  src.open(SRC_FILE_PATH, ios_base::in);
  dst.open(DST_FILE_PATH, ios_base::out);
  dst.close();
  dst.open(DST_FILE_PATH, ios_base::app);

  if (!src.is_open())
    exit(1);

  while (getline(src, line)) {
    dst << line;
    if (src.peek() != EOF) {
      dst << endl;
    }
  }

  src.close();
  dst.close();

  return 0;
}