Function value - 2#9424

Function value - 2

1 second
128 megabytes
Easy

You are given the graph of a function. The points x = -3, x = 3, and x = 6 are not included in the domain of the function.

funksiya-test-3.png

Input

One real number — the value of the argument.

Output

Print the value of the function y = f(x) rounded to decimal digits, or NO FUNCTION if the function is not defined for the given argument.

Examples

Example 1

Loading
Loading

Example 2

Loading
Loading