proc format;

value agel 1="0-25"

2="25-30"

;

value sexl 1="boy"

2="gril"

;

data age_test;

infile 'D:\test.txt' firstobs=2 obs=3 ;

input age sex;

run;

proc print data=age_test;

format age agel.;

format sex sexl.;

run;