Solve the following system with its initial condition:

EDIT: I hate LaTeX:

So here it is without LaTeX:

X' = ([[0,0,1],[0,1,0],[1,0,0]])X, X(0) = ([[1],[2],[5]]

(Note for notation: X(0) is a vector, and the entries in X' in the matrix has rows (0,0,1), (0,1,0), etc.)