Description

For the polynomial $f(x) = ax^3 + bx^2 + cx + d$ and given values of $a, b, c, d, x$,
compute the value of $f(x)$, rounded to 7 decimal places.

Input Format

The input consists of a single line containing 5 real numbers: $x$, followed by the coefficients $a, b, c, d$. Each number is a double-precision floating-point value with an absolute value not exceeding 100. The numbers are separated by a single space.

Output Format

Output a single real number representing the value of $f(x)$, rounded to 7 decimal places.

2.31 1.2 2 2 3

33.0838692