Program hotrotinhoc_hoc24;
var a: array[1..32000] of integer;
d,i,n: integer;
begin
write('Nhap so nguyen duong N : '); readln(n);
d:=0;
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
if a[i]=0 then d:=d+1;
end;
if d>0 then write('Trong day co gia tri bang 0') else write('Trong day khong co gia tri bang 0');
readln
end.