Week 2 Conditionals Part 1

What type of triangle?

Time limit 1 second
Memory limit 128 MiB

Find the type of triangle (equilateral, isosceles, or scalene) if the lengths of its sides are given.

Input data

One line contains 3 integers - the lengths of triangle sides. The lengths of the sides do not exceed 100.

Output data

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
Source SFE-2010 Variant 5