Classify the given hospital score into grade A, B, C, or D.
4.7
Based on a hospital score of 4.7, the hospital would be classified as grade "A."
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the given hospital score into grade A, B, C, or D.

### Input:
4.7

### Output:
Based on a hospital score of 4.7, the hospital would be classified as grade "A."