#include <library.h>

void swap_if(int & x, int & y)  // if x <= y, leave them alone, do nothing
                                // if x > y, swap them
{ if (x > y)
  { int temp = x;
    x = y;
    y = temp; } }


void main()
{
  int A[10];
  ifstream fin;
  fin.open("data");
  if (fin.fail())
  { cout << "Can't find file\n";
    exit(1); }

  int i = 0;
  while (i <= 9)
  { fin >> A[i];
    i = i + 1; }

  if (fin.fail())
  { cout << "bad data or not enough data\n"; 
    exit(1); }
  fin.close();

  int line = 8;
  while (line >= 0)
  { i = 0;
    while (i <= line)
    { swap_if(A[i], A[i+1]);
      i = i + 1; }
    line = line - 1; }

  i = 0;
  while (i <= 9)
  { cout << A[i] << " ";
    i = i + 1; }

  cout << "\n"; }