The K-th Cube Number
Print the K-th of the perfect cubes (1, 8, 27, 64, ...) (1-indexed).
Input: one integer K.
Output: the K-th such number.
Constraints:
- 1 ≤ K ≤ 1000000
Sample Tests
Input 1
3
Output 1
27
Input 2
1
Output 2
1
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