Midpoint coordinates
Given two points on a coordinate plane, your task is to find the midpoint coordinate of those. Given the x1 and y1 coordinates of the first point and x2 and y2 coordinates of the second point, write a program that would output the midpoint coordinates x0 and y0.

Input | Output |
|---|---|
3 | 2.5 |
3 | 3 |
Constraints
Time limit: 2 seconds
Memory limit: 512 MB
Output limit: 1 MB