uses crt;
const s1='Pin_NLMT'
s2='Pin_luthium'
s3='Pin_JA_Solar'
s4='Pin_Jinko_Solar'
begin
clrscr;
if s1<s4 then writeln('Xau s1 nho hon xau s4')
else if s1=s4 then writeln('Xau s1 bang xau s4)
else writeln('Xau s1 lon hon xau s4');
if s2<s3 then writeln('Xau s2 nho hon xau s3')
else if s2=s3 then writeln('Xau s2 bang xau s3')
else writeln('Xau s2 lon hon xau s3');
readln;
end.