Enter a natural number. It is required to separate the triples of its digits with commas (counting from the right).
Input
One natural number is entered, not exceeding 10
100.
Imprint
Output the same number, separating triples of digits with commas.
Examples
| # |
Input |
Output |
| 1 |
1000 |
1,000 |
| 2 |
12345678 |
12,345,678 |
| 3 |
999 |
999 |