Suppose the Variables X and Y in the Following Bare

Suppose the variables X and Y in the following Bare Bones program have the values 3 and 2, respectively, when execution begins. clear Z;
While X not 0 do;
While Y not 0 do;
Decr Y;
Incr Z;
End;
Incr Z;
Decr X;
End;
What will be the value of Z when the program terminates?

A) 0
B) 1
C) 5
D) 6