import java.io.ByteArrayOutputStream;
import java.io.InputStream;
class Main {
public static String streamToString(InputStream is) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int i = -1;
try {
byte[] bytes = new byte[1024];
while ((i = is.read(bytes)) != -1) {
baos.write(bytes, 0, i);
bytes = new byte[1024];
}
return new String(baos.toByteArray(), "UTF-8");
} catch (Exception e) {
}
return "";
}
}