dim a as integer
dim b as integer
dim max as integer
dim c as integer
input a,b
if a>=-100 and b<=100 then
  if a+b>a-b and a+b>a*b then a+b=max
    if a-b>a+b and a-b>a*b then a_b=max
      if a*b>a+b and a*b>a-b then a*b=max
end if
      output=str(max)
   