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After execution of the following MARIE code, what will be the $x,Y,Z$ values in order?

Load X

Subt $Y$

Skipcond $400$

Jump Here

Load X

Add $Y$

Store Z

Jump Done

Here, Load $Y$

Store Z

Done, Halt

X$,$ Dec$1$

$Y,$Dec$2$

Z$.$ Dec$0$