Diagonalization of matrices

Let $$D = \begin{bmatrix} 17 & 0 & 0 & 0 \\ 0 & 32 & 0 & 0 \\ 0 & 0 & 195 & 0 \\ 0 & 0 & 0 & -54 \\ \end{bmatrix}$$ and $$x = \begin{bmatrix} 3\\ 2\\ 0\\ 1\\ \end{bmatrix}$$Calculate $Dx$. Write the result entries separated by a space