# Function - 2

Execution time limit is 1 second

Runtime memory usage limit is 128 megabytes

Implement a function $f(x)=x +2⋅x+sin(x)$.

## Input

Each line contains one real number $x$.

## Output

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 #1

Answer #1

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