Reverse a Number
Reverse the digits of a number.
Input format
One line with a single integer N.
Output format
Print N with its digits reversed; drop any leading zeros that appear and keep the original sign.
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
0Expected output
0Example 2
Input
7Expected output
7