Combination number of putting 5 balls into 4 boxes：
1) 5 different balls, 4 different boxes, the number of balls inside a box is not limited, allows empty box, and contains total [填空1] different solutions.【Please calculate the exact number】
2) 5 identical balls, 4 different boxes, allows empty box, and contains total [填空2] different solutions.【Please calculate the exact number】