Start
X = 3
Y = 2
Z = 12
while Z > 8
perform Change-YZ
endwhile
if X = 2 then
perform Change-X
endif
if Z = 4 then
perform Change-X
else
perform Change-YZ
endif
print X, Y, Z
End

Change-YZ
Y =Y + 2
Z =Z - 4
Return

Change-X
X = X + 1
Y = Y - 1
Return