program so_chan;
uses crt;
var A:array[1..1000] of integer;
n,i,d:integer;
begin
clrscr;
write('Nhap N: '); readln(n);
d:=0;
for i:=1 to n do
begin
write('A[',i,']= '); readln(A[i]);
if A[i] mod 2=0 then d:=d+1;
end;
if d=0 then write('Khong co so chan nao')
else
begin
write('Cac so chan la: ');
for i:=1 to n do
if A[i] mod 2=0 then write(A[i],' ');
end;
readln;
end.