import java.security.KeyPair;
import java.security.KeyPairGenerator;
public class Main {
public static void main(String[] args) throws Exception {
String algorithm = "";
KeyPair keyPair = KeyPairGenerator.getInstance(algorithm).generateKeyPair();
System.out.println(keyPair.getPublic());
System.out.println(keyPair.getPrivate());
}
}