Problems
What type of triangle?
What type of triangle?
Find the type of triangle (equilateral, isosceles, or scalene) if the lengths of its sides are given.
\InputFile
One line contains $3$ integers --- the lengths of triangle sides. The lengths of the sides do not exceed $100$.
\OutputFile
Print $1$ if the triangle is equilateral, $2$ if it is isosceles, and $3$ if it is scalene.
Input example #1
3 4 3
Output example #1
2