Read a number n and print a countdown from n down to 1, one number per line, followed by "Liftoff!".
Input / Output
Input: a single positive integer n. Output: n, n-1, ..., 1 (one per line), then "Liftoff!" on the last line.
Examples
Input
3
Expected Output
3 2 1 Liftoff!
Input
5
Expected Output
5 4 3 2 1 Liftoff!
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