Problems
Function - 1
Function - 1
Implement a function f(x) = x^3 + 2 \cdot x^2 - 3.
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 1 56 23.2
Output example #1
18.1309 0.0000 181885.0000 13560.6480