Suppose that you have text file Mydata.txt and
the first line has variavle names, the following code starts input from the second line (firstobs=2).
See sas base tutorial or "The little sas book" for details.
data test;
infile "F:\MySAS\Mydata.txt" firstobs=2;
length string $50.;
input string $;
put string=;
run;