uses crt;
var a,b:real;
begin
clrscr;
write('nhap can nang cua an:'); readln(a);
write('nhap can nang cua binh:'); readln(b);
if a>b then writeln('an nang hon binh')
else if a<b then writeln('binh nang hon an')
else writeln('hai ban nang ngang nhau');
readln;
end.