Chapter 3.2B, Problem 33A

In the following problem, the sum is correct but the order of the digits in each addend has been scrambled. Correct the addend to obtain the correct sum.

$\begin{array}{l}\underset{\_}{\begin{array}{l}8354\\ +3456\end{array}}\\ 11729\end{array}$ $\begin{array}{l}\underset{\_}{\begin{array}{l}\boxed{}\boxed{}\boxed{}\boxed{}\\ +\boxed{}\boxed{}\boxed{}\boxed{}\end{array}}\\ 11729\end{array}$