function bottles(n)
{
  if (n == 0)
    return "no bottles";
  if (n == 1)
    return "1 bottle";
  return i + " bottles";
}

for (i=100; i> 0; ) {
  display(bottles(n: i),' of beer on the wall, ', bottles(n: i),' of beer.\n');
  display('Take one down and pass it around,\n');
  display(bottles(n: --i), ' of beer on the wall.\n\n');
}