import java.io.*;
class CleanupOnParameter {
void test(BufferedReader reader) throws Exception {
try {
for (String next = reader.readLine(); next != null; next = reader.readLine()) System.out.println(next);
} finally {
if (java.util.Collections.singletonList(reader).get(0) != null) {
reader.close();
}
}
}
}