proc integer() returns ()
var a:int,b:int,c:int;
begin
  a = 5;
  b = 2;
  c = a /_i,-oo b;
  c = a /_i,+oo b;
  skip;
  while a<=7 do
    c = a /_i,-oo b;
    c = a /_i,+oo b;
    a = a+1;
    b = b+1;
  done;
end

proc floating() returns (z:real)
var x:real,y:real;
begin
  x = 5;
  y = 0.1;
  if brandom then
    x = x +_f 0.6;
  endif;
  z = x + y;
  z = z - y;
  z = x +_f y;
  z = z -_f y;
  z = x +_d y;
  z = z -_d y;
  z = x/_f y;
  z = x/_d y;
end

var z:real;
begin
  () = integer();
  z = floating();
end