import java.io.*;
class CleanupPlain {
void test() throws Exception {
InputStream in = new FileInputStream("in");
try {
OutputStream out = new FileOutputStream("out");
try {
if (in.markSupported()) {
out.flush();
}
} finally {
if (out instanceof java.io.Closeable) {
((java.io.Closeable)out).close();
}
}
} finally {
if (java.util.Collections.singletonList(in).get(0) != null) {
in.close();
}
}
}
}