wrong.pl0

1）增加单词：保留字 ELSE

PROGRAM EX01;
VAR A;
BEGIN
   READ(A);
   A+;
   WRITE(A);
   +A;
   WRITE(A);
   A-;
  WRITE(A);
    -A; 
  WRITE(A);  
  A+100;
  WRITE(A);
   A-=100;
   WRITE(A);
   
END.