program so_chan;
uses crt;
var B:array[1..100] of integer;
n,i,d:byte;
begin
clrscr;
write('Nhap N: '); readln(n);
d:=0;
for i:=1 to n do
begin
write('B[',i,']= '); readln(B[i]);
if B[i] mod 2=0 then d:=d+1;
end;
write('Mang B la: ');
for i:=1 to n do write(B[i],' ');
writeln;
if d=0 then write('Khong co so chan')
else
begin
write('Cac so chan la: ');
for i:=1 to n do
if B[i] mod 2=0 then write(B[i],' ');
end;
readln;
end.