Program bai1;
uses crt;
var n: integer;
begin
clrscr;
write('nhap so n ='); readln(n);
if (n mod 4= 0 ) and (n mod 5 = 0) then
writeln('so ', n , ' la so chia het cho 4 va 5 ')
else
writeln('so ' , n , ' la so khong chia het 4 va 5 ');
readln;
end.