import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import java.util.function.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.awt.geom.*;
import javax.imageio.*;
import java.math.*;
import java.time.Duration;
import java.lang.invoke.VarHandle;
import java.lang.invoke.MethodHandles;
class main {

static class TradingSignal {
   final public TradingSignal setMarket(String market){ return market(market); }
public TradingSignal market(String market) { this.market = market; return this; }  final public String getMarket(){ return market(); }
public String market() { return market; }
 String market;
  
  // set amount to negative value to close position
   final public TradingSignal setAmount(double amount){ return amount(amount); }
public TradingSignal amount(double amount) { this.amount = amount; return this; }  final public double getAmount(){ return amount(); }
public double amount() { return amount; }
 double amount;
  
  // HoldSide.SHORT or HoldSide.LONG
   final public TradingSignal setHoldSide(HoldSide holdSide){ return holdSide(holdSide); }
public TradingSignal holdSide(HoldSide holdSide) { this.holdSide = holdSide; return this; }  final public HoldSide getHoldSide(){ return holdSide(); }
public HoldSide holdSide() { return holdSide; }
 HoldSide holdSide;
  
   final public TradingSignal setLeverage(int leverage){ return leverage(leverage); }
public TradingSignal leverage(int leverage) { this.leverage = leverage; return this; }  final public int getLeverage(){ return leverage(); }
public int leverage() { return leverage; }
 int leverage = 1;
}
enum HoldSide { SHORT, LONG }

}