Classify the sentiment of the tweet.
I had the best time of my life at that concert and I am so happy right now!
The sentiment of the tweet is positive.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the sentiment of the tweet.

### Input:
I had the best time of my life at that concert and I am so happy right now!

### Output:
The sentiment of the tweet is positive.