Absolute Value
Print the absolute value of an integer without a built-in helper.
Input format
One line with an integer N.
Output format
Print the absolute value of N (its distance from zero).
Constraints
- Values fit in a 64-bit signed integer
- Trailing whitespace and a trailing newline are ignored by the judge
Read from stdin, write to stdout. Sample cases below show the exact format.
Sample cases
Example 1
Input
-5Expected output
5Example 2
Input
8Expected output
8