Stage0: data preprocessing  
	- Input: Contain two files, "train.csv" renamed by raw train file, "test.csv" renamed by raw test file.
	- Code: data_process.py for different process method.
	- Output: 
Stage1:
	- Input: Output from Stage0
	- Code: handcraft feature and deep learning feature extraction
	- Output:
Stage2:
	- Input: Output from Stage1
	- Code: unlinear ensemble, such as LightGBM, RandomForest.
	- Output:
Stage3:
	- Input: Output from Stage2
	- Code: Ensemble Selection
	- Output: final result.