/*  day2 pgm 2.3                            */
 /*                                          */
 /* examples of free format read and errors  */
 /*  from numeric variable reading character */

  Data exam1 ; 
   Input Score;
   Points=2*score+10; 
datalines;     
XX 12 20  9
30 25 XX XX
20 18 40 80
  ; 
run ;
  proc print data=exam1 ; 
    title 'exam1' ;
run;