program XuatSoChan;
uses crt;
const
Max_N = 20;
type
MangSoNguyen = array [1..Max_N] of integer;
var
A: MangSoNguyen;
i, n: integer;
begin
clrscr;
write('Nhap so luong phan tu cua mang: ');
readln(n);
writeln('Nhap cac phan tu vao mang:');
for i := 1 to n do
begin
write('A[', i, ']: ');
readln(A[i]);
end;
writeln('Cac so chan trong mang la:');
for i := 1 to n do
begin
if A[i] mod 2 = 0 then
writeln(A[i]);
end;
readln;
end.