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Problems

Function - 2

Function - 2

Time limit 1 second
Memory limit 128 MiB

Implement a function f(x) = \sqrt{x} + 2 \cdot x + sin(x).

Input data

Each line contains one real number x.

Output data

For each value x print in a separate line the value of the function f(x) with four digits after the decimal point.

Examples

Input example #1
2.234
10.23
56.1
23.2651
Output example #1
6.7507
22.9375
119.2562
50.3973
Author Mykhailo Medvediev
Source Programming language C