Move all the terms containing Ф to the left side ...
0 = 0
H0P3 It H3LPS :)
Divide the stack into halves, if the stacks are equal, they are even. If they aren't, they are odd.
Add up all the temperatures and divide by 4.
113/4=28.25
so if you need to round then 28.3 or just 28.