{}
import java.io.PrintStream;
import java.util.Random;
import java.util.random.RandomGenerator;
class Main implements Runnable {
public enum Suit { HEARTS, DIAMONDS, SPADES, CLUBS; }
public enum Value {
ACE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING;
}
public enum Card {
S1(Suit.SPADES, Value.ACE),
S2(Suit.SPADES, Value.TWO),
S3(Suit.SPADES, Value.THREE),
S4(Suit.SPADES, Value.FOUR),
S5(Suit.SPADES, Value.FIVE),
S6(Suit.SPADES, Value.SIX),
S7(Suit.SPADES, Value.SEVEN),
S8(Suit.SPADES, Value.EIGHT),
S9(Suit.SPADES, Value.NINE),
S10(Suit.SPADES, Value.TEN),
SJ(Suit.SPADES, Value.JACK),
SQ(Suit.SPADES, Value.QUEEN),
SK(Suit.SPADES, Value.KING),
;
private final Suit suit;
private final Value value;
private Card(Suit suit, Value value) {
this.suit = suit;
this.value = value;
}
public Suit getSuit() { return suit; }
public Value getValue() { return value; }
public String toString() {
return getValue() + "_" + getSuit();
}
}
private final PrintStream out;
private final Card[] deck;
private final RandomGenerator rand;
public Main(PrintStream out, RandomGenerator rand) {
this.out = out;
this.deck = Card.values();
this.rand = rand;
}
public void run() {
out(deck);
shuffle3();
outln();
out(deck);
}
private void shuffle() {
for(int i = deck.length - 1; i >= 0; i--) {
int j = (int) (Math.random()*(i+1));
Card k = deck[i];
deck[i] = deck[j];
deck[j] = k;
}
}
private void shuffle2() {
for(int i = 0; i < deck.length; i++) {
int j = (int) (Math.random()*(i+1));
Card k = deck[i];
deck[i] = deck[j];
deck[j] = k;
}
}
private void shuffle3() {
for(int i = 0; i < deck.length; i++) {
int j = (int) (rand.nextInt(deck.length));
Card k = deck[i];
deck[i] = deck[j];
deck[j] = k;
}
}
private void out(Card[] deck) {
for (int i = 0; i < deck.length; i++) {
out(String.valueOf(deck[i]));
}
}
private void out(String message) {
out.println(message);
}
private void outln() {
out.println();
}
public static void main(String[] args) {
new Main(System.out, new Random(2L)).run();
}
}