key2 = {}
change = function(letter)
  char = 0
  for i=1, #key2 do
    if letter == key2[i] then
	  char = i + 34
	  if char < #key2 then
	    char = char - #key2
	  end
	  return key2[char]
	end
  end
end

shell.run("delete", "key")
shell.run("pastebin", "get", "0ZGDdCwk", "key")
key = fs.open("key", "r")

while true do
  curline = key.readLine()
  if curline == nil then
    break
  end
  table.insert(key2, curline)
  print(curline)
end