Absolute Value of a Floating-Point Number

Given a floating-point number \( n \), calculate and output its absolute value \( |n| \).

This problem requires handling both positive and negative inputs.

inputFormat

The input consists of a single floating-point number \( n \) provided on one line.

outputFormat

Output the absolute value of the floating-point number \( n \). The result should be in a floating-point format.

sample

3.14

3.14