Number units
Problem
Clever Rabbit and his friends began to study math. The first thing they learned is that all numbers are made up of digits. Write a program to help Clever Rabbit determine the digit that represent the ones in a number.
Recall that ones is the last digit of a number.
Input format
The natural number is inputed.
Output format
Outpur the answer to the problem.
Examples
| N |
Input |
Output |
| 1 |
2007 |
7 |
| 2 |
40 |
0 |