24. Given non-negative real numbers $x, y, z$ satisfy $\frac{x-1}{2}=\frac{2-y}{3}=\frac{z-3}{4}$, let $W=3 x+4 y+5 z$. Then the maximum integer value of $W$ is $\qquad$ , and the minimum integer value of $W$ is $\qquad$ .
Answer: 35,19