/* day2 pgm2.4                              */
 /*                                          */
 /* examples of free format read and errors  */
 /*  from numeric variable reading character */
   
  Data Exam2 ;
    Input Score;  
    Points=2*score+10; 
Cards;     
XX 12 
20  9
21 35 
40 80
30 18 
XX XX
  ; 
run ;
  proc print data=exam2 ; 
    title 'exam2' ;
run;