uses crt;
var a,b: integer;
begin
clrscr;
write ('nhap so thu nhat: '); readln (a);
write ('nhap so thu hai: '); readln (b);
if a>b then writeln ('2 so sau khi sap xep: ',a,' ; ',b);
if a<b then writeln ('2 so sau khi sap xep: ',b,' ; ',a);
if a=b then writeln ('2 so sau khi sap xep: ',a,' ; ',b);
readln;
end.