Function for the sum of the minimum and the maximum of three integers X46340

Implementa function

    int sum_min_max(int x, int y, int z);

which given three numbers returns the sum of their minimum and maximum values.

Input

Input consists of three integer numbers.

Precondition

It holds $0 <$ @x@, @y@, @z@ $< 10^9$.

Observation

You only need to submit the required procedure; your main program will be ignored.