Problems
Square root
Square root
You are given a number $n$. Find its square root.
\InputFile
One integer $n~(1 \le n \le 10^{16})$ is given.
\OutputFile
Output the square root of the given number with exactly $6$ decimal digits after the point.
Input example #1
1
Output example #1
1.000000
Input example #2
1000000
Output example #2
1000.000000
Input example #3
10
Output example #3
3.162278