Notes

import java.io.*;
import java.util.*;

class SAS {
static HashMap<String, Peeps> input = new HashMap<String, Peeps>();
static HashMap<String, Peeps> output = new HashMap<String, Peeps>();
static ArrayList<String> keys = new ArrayList<String>();
static double iCost,oCost;
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Enter Input : ");
parseProgramInput(br.readLine());
startProgram();
}

public static void startProgram() {
for(String key: keys) {
comparePercentAndPrint(key);
}
}

public static void comparePercentAndPrint(String entityName) {
Peeps ip = input.get(entityName);
Peeps op = output.get(entityName);
if (ip.entityPercentage < op.entityPercentage) {
double finalShare = (iCost * op.entityPercentage)/100;
finalShare = finalShare/ip.entityPrice;
System.out.println("BUY:" + entityName + " SHARES = "+(finalShare - ip.entityNumber));
} else if (ip.entityPercentage > op.entityPercentage) {
double finalShare = (iCost * op.entityPercentage)/100;
finalShare = finalShare/ip.entityPrice;
System.out.println("SELL:" + entityName + " SHARES = "+(ip.entityNumber - finalShare));
}

}

public static void updateInterestInput(Double withTotalAmount) {
for (Map.Entry<String, Peeps> entry : input.entrySet()) {
Peeps p = (Peeps) entry.getValue();
Double percent = p.entityCost * 100 / withTotalAmount;
p.entityPercentage = percent;
// System.out.println(percent);
// output.replace(entry.getKey(), p);
}
}

public static void updateInterestOutput(Double withTotalAmount) {
for (Map.Entry<String, Peeps> entry : output.entrySet()) {
Peeps p = (Peeps) entry.getValue();
Double percent = p.entityCost * 100 / withTotalAmount;
p.entityPercentage = percent;
// System.out.println(percent);
// output.replace(entry.getKey(), p);
}
}

public static void parseProgramInput(String input) {
String[] twoParts = input.split(":");
iCost = parseCurrentPossession(twoParts[0]);
oCost = parseRequiredPossession(twoParts[1]);
// System.out.println("I: " + iCost + " O: " + oCost);
updateInterestInput(iCost);
System.out.println();
updateInterestOutput(oCost);
}

public static double parseCurrentPossession(String initialData) {
double totalInputCost = 0;
for (String eachEntity : initialData.split("\|")) {
String[] inp = eachEntity.split(",");
String mapKey = inp[0];
Peeps entity = new Peeps(inp);
totalInputCost += entity.entityCost;
input.put(mapKey, entity);
}
return totalInputCost;
}

public static double parseRequiredPossession(String finalData) {
double totalOutputCost = 0;
for (String eachEntity : finalData.split("\|")) {
String[] out = eachEntity.split(",");
String mapKey = out[0];
keys.add(mapKey);
Peeps entity = new Peeps(out);
totalOutputCost += entity.entityCost;
output.put(mapKey, entity);
}
return totalOutputCost;
}

static class Peeps {
private String entityName;
private String entityType;
private double entityNumber;
private double entityPrice;
private double entityInterest;
private double entityCost;
private double entityPercentage;

public Peeps(String[] input) {
entityName = input[0];
entityType = input[1];
entityNumber = Double.parseDouble(input[2]);
entityPrice = Double.parseDouble(input[3]);
entityInterest = Double.parseDouble(input[4]);
if (entityType.equals("S")) {
entityCost = entityNumber * entityPrice;
} else {
entityCost = entityNumber * (entityPrice + entityInterest) * 0.01;
}
}

public String printDetails() {
String st = "";
return st + entityName + " " + entityType + " " + entityNumber + " " + entityCost + " " + entityInterest;
}
}
}