const fi='dayso.txt';
fo='ketqua.txt';
var f1,f2:text;
a:array[1..100]of integer;
n,i:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eoln(f1) do
begin
n:=n+1;
read(f1,a[n]);
end;
for i:=1 to n do
if a[i] mod 2=0 then write(f2,a[i]:4);
close(f1);
close(f2);
end.