title 'Test DO IF control structure'.

data list /x y z 1-6.
begin data.
000099
019900
019820
001089
020000
end data.
do if x~=2.
loop i=1 to x.
do if x=0.
print /i x z.
else.
do if x=1.
print /i x y.
else.
print /i 'Huh?'.
end if.
end if.
end loop.
end if.
execute.