Let A=[2421524−19]A = \begin{bmatrix} 2 & 4 & 2 \\ 1 & 5 & 2 \\ 4 & -1 & 9 \end{bmatrix}A=21445−1229, and the LULULU decomposition of AAA be
What is ⌊a+b+c+d+e+f+g+h+i⌋%5\lfloor a+b+c+d+e+f+g+h+i \rfloor \% 5⌊a+b+c+d+e+f+g+h+i⌋%5? (% is the modulo operation. ⌊z⌋\lfloor z \rfloor⌊z⌋ rounds zzz to the smaller nearest integer.)