Classify the following text, is it spam or non-spam?
Congratulations! You have been selected for our exclusive offer.
Based on the message, it is classified as spam.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the following text, is it spam or non-spam?

### Input:
Congratulations! You have been selected for our exclusive offer.

### Output:
Based on the message, it is classified as spam.