program ideone;
var a, mx: integer;
begin
mx := -32767;
read(a);
while a <> 0 do
begin
if (mx < a) and (a mod 5 = 0) then
mx := a;
read(a);
end;
write(mx);
end.
cHJvZ3JhbSBpZGVvbmU7CnZhciBhLCBteDogaW50ZWdlcjsKYmVnaW4KCW14IDo9IC0zMjc2NzsKCQoJcmVhZChhKTsKCXdoaWxlIGEgPD4gMCBkbwoJYmVnaW4KCQlpZiAobXggPCBhKSBhbmQgKGEgbW9kIDUgPSAwKSB0aGVuCgkJCW14IDo9IGE7CgkJcmVhZChhKTsKCWVuZDsKCQoJd3JpdGUobXgpOwplbmQu