#include <library.h>

void swap_if(int & x, int & y)
{ if (x > y)
  { int temp = x;
    x = y;
    y = temp; } }

void main()
{ int A[1000];
  ifstream fin;
  fin.open("data");
  if (fin.fail())
  { cout << "Can't find file\n";
    exit(1); }

  int num;
  for (num = 0; num <= 1000; num = num + 1)
  { fin >> A[num];
    if (fin.fail())
      break; }

  cout << num << " numbers successfully read\n";
  fin.close();

  for (int line = num - 1; line >= 0; line = line - 1)
    for (int i = 0; i <= line; i = i + 1)
      swap_if(A[i], A[i+1]);

  ofstream fout;
  fout.open("data");
  for (int i = 0; i <= num; i = i + 1)
    fout << A[i] << "\n";
  fout.close(); }