PROGRAM main
  BEGIN
    VAR %% can be empty or completely missing
      x : INTEGER;
      y : FLOAT;
    ENDVAR
    y := 3.5;
    WRITE(y);
    WRITESP();
    y := y * 10.0;
    WRITE(y);
    WRITESP();
    x := (5 + 3*(1+2));
    WRITE(x);
    WRITELN();
  END