This problem is meant for an April Fools Contest in 2020.

If you cannot figure out the joke, the spoiler is in the attachments.

Submitting .cpp to 'chemistry'

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Time Limit: 1 Seconds
Memory Limit: 256MB
No. of ACs: 5
Your best score: 0
Source: April Fools Contest 2020 (0rang3)

Subtask Score
1 29
2 2
3 69
4 0