Answer
$\begin{array}{lll}
{\text { $\quad$ }} & {\text {LOAD$\quad$} }& {\text {FIFTY} } & {\text {--R holds the constant 50} } \\
{\text { $\quad$ }} & {\text {COMPARE$\quad$} }& {\text {X} } & {\text { } } \\
{\text { $\quad$ }} & {\text {JUMPGT$\quad$} }& {\text {THEN} } & {\text {--if X > 50 go to label THEN} } \\
{\text { $\quad$ }} & {\text {IN$\quad$} }& {\text {X} } & {\text {--input a new value} } \\
{\text { $\quad$ }} & {\text {JUMP$\quad$} }& {\text { DONE} } & {\text {--and jump to done because we are} } \\
{\text { $\quad$ }} & {\text { $\quad$} }& {\text { } } & {\text {--all finished} } \\
{\text {THEN: $\quad$ }} & {\text {OUT$\quad$} }& {\text {X } } & {\text {} } \\
{\text {DONE: $\quad$ }} & {\text {$\quad$} }& {\text {} } &\text{--the next statement goes here} \\
{\text { $\quad$ }} & {\text {.} }& {\text {} } \\
{\text { $\quad$ }} & {\text {.} }& {\text {} } \\
{\text { $\quad$ }} & {\text {.} }& {\text {} } \\
{\text {FIFTY: $\quad$ }} & {\text {.DATA} }& {\text {0} } \\
{\text {X: $\quad$ }} & {\text {.DATA} }& {\text {50} } \\
\end{array}$
Work Step by Step
$\begin{array}{lll}
{\text { $\quad$ }} & {\text {LOAD$\quad$} }& {\text {FIFTY} } & {\text {--R holds the constant 50} } \\
{\text { $\quad$ }} & {\text {COMPARE$\quad$} }& {\text {X} } & {\text { } } \\
{\text { $\quad$ }} & {\text {JUMPGT$\quad$} }& {\text {THEN} } & {\text {--if X > 50 go to label THEN} } \\
{\text { $\quad$ }} & {\text {IN$\quad$} }& {\text {X} } & {\text {--input a new value} } \\
{\text { $\quad$ }} & {\text {JUMP$\quad$} }& {\text { DONE} } & {\text {--and jump to done because we are} } \\
{\text { $\quad$ }} & {\text { $\quad$} }& {\text { } } & {\text {--all finished} } \\
{\text {THEN: $\quad$ }} & {\text {OUT$\quad$} }& {\text {X } } & {\text {} } \\
{\text {DONE: $\quad$ }} & {\text {$\quad$} }& {\text {} } &\text{--the next statement goes here} \\
{\text { $\quad$ }} & {\text {.} }& {\text {} } \\
{\text { $\quad$ }} & {\text {.} }& {\text {} } \\
{\text { $\quad$ }} & {\text {.} }& {\text {} } \\
{\text {FIFTY: $\quad$ }} & {\text {.DATA} }& {\text {0} } \\
{\text {X: $\quad$ }} & {\text {.DATA} }& {\text {50} } \\
\end{array}$
