Gromozeka recently bought three cans of paint. The color of the one he bought two days ago is
a, the color of the one he bought yesterday is
b, and the color of the one he bought today is
c. The color of each can of paint is conventionally represented by an integer from
1 to
100 inclusive. Since Gromozeka is forgetful, he could buy several cans of paint of the same color. Count the number of different colors of these paint cans and tell him.
Input
One line contains three integers
a,
b and
c (
\(1 <= a,b,c<=100\)).
Imprint
Display the answer to the problem.
Examples
| # |
Input |
Output |
| 1 |
3 1 4 |
3 |
| 2 |
3 3 33 |
2 |