diff --git a/project/DataItem.class b/project/DataItem.class
new file mode 100644
index 0000000..3a68011
Binary files /dev/null and b/project/DataItem.class differ
diff --git a/project/ErrorCode.class b/project/ErrorCode.class
new file mode 100644
index 0000000..1ee8aba
Binary files /dev/null and b/project/ErrorCode.class differ
diff --git a/project/NetworkException.class b/project/NetworkException.class
new file mode 100644
index 0000000..e453a6a
Binary files /dev/null and b/project/NetworkException.class differ
diff --git a/project/OutputService.class b/project/OutputService.class
new file mode 100644
index 0000000..0e0731a
Binary files /dev/null and b/project/OutputService.class differ
diff --git a/project/ParseException.class b/project/ParseException.class
new file mode 100644
index 0000000..9744749
Binary files /dev/null and b/project/ParseException.class differ