This is a special challenge to make you familiar with IO.
To solve future problems, your program will need to be able to take in values, perform actions on these values based on the problem, and finally output your calculations. Practice this by solving the following problem: Given an integer return the square root multiplied by two.
To solve future problems, your program will need to be able to take in values, perform actions on these values based on the problem, and finally output your calculations. Practice this by solving the following problem: Given an integer return the square root multiplied by two.
Input Format
A single line containing an integer. We recommend you use a java.util.Scanner to receive the input
Sample Input
4489
Output Format A single line containing an integer. We recommend you use the System.out.println("") command for your output
Sample Output
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