data contacts1;
length Name $ 20 Phone $14 Mobile $14;
infile 'S:\Courses\stat-renaes\Stat404\phone.csv' dsd;
input Name Phone Mobile;
run;
proc print data=contacts1 noobs;
run;

*with MISSOVER;

data contacts2;
length Name $ 20 Phone $14 Mobile $14;
infile 'S:\Courses\stat-renaes\Stat404\phone.csv' dsd missover;
input Name Phone Mobile;
run;
proc print data=contacts2 noobs;
run;