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Problem D
Pretty Good Cube Root
Given a positive integer $x$, the cube root of $x$ may or may not be an integer. We’ll define an approximate cube root of $x$ as the positive integer $y$ such that $y^3$ is as close is possible to $x$.
Input
Input has up to $100$ lines with one positive integer per line. Each integer may have as many as $500$ digits. Input ends at the end of file.
Output
For each input integer, print out its approximate cube root.
| Sample Input 1 | Sample Output 1 |
|---|---|
64 472741006443 65991621053219768206433 |
4 7790 40410690 |
