Write a program that reads a sequence of natural numbers, and prints each one of the integer numbers reversed.
Input
Input is a sequence of natural numbers.
Output
For each number of the input, print it reversed. Printing reversed numbers, print zeros at the beginning if the were in the end.
Observation
You cannot use any loop, neither for nor while .
Input
123456 66899 123000 0 21 4
Output
654321 99866 000321 0 12 4