Reading selected fields
See example 5.3 C&P chapter 1 (file: CP010503.sas)

DATA COLINPUT;  
   INPUT ID 1 AGE 8-9;  
DATALINES;  
168144M23  
278202M34  
362 99F37  
461101F45  
;  
PROC PRINT DATA=COLINPUT;  
   TITLE 'Example 5.3';  
RUN;

Output

Example 5.3
  
OBS    ID    AGE
  
 1      1     23  
 2      2     34  
 3      3     37  
 4      4     45