program oken;
uses crt;
var a: array [1..10000] of longint;
i,n,chan: longint;
begin
clrscr;
write('nhap so luong phan tu cua mang'); readln(n);
for i:=1 to n do
begin
write('a[',i,']: '); readln(a[i]);
end;
for i:=1 to n do
if a[i] mod 2 = 0 then write(a[i],' ');
readln;
end.