royal nonstop 100

import java.math.BigDecimal;
import java.util.Scanner;

public class RoyalNonStop {

    public static void main(String[] args) {

        try (Scanner scanner = new Scanner(System.in);) {
            scanner.nextInt();
            scanner.nextInt();
            scanner.nextLine();

            String[] products = scanner.nextLine().split(" ");
            BigDecimal lukankaPrice = new BigDecimal(products[0]);
            BigDecimal rakijaPrice = new BigDecimal(products[1]);

            int custumerCounter = 0;
            BigDecimal moneyEarned = BigDecimal.ZERO;
            String custumer = scanner.nextLine();

            while (true) {
                if (custumer.equals("Royal Close")) {
                    break;
                }
                int row = Integer.parseInt(custumer.split(" ")[0]) + 1;
                int col = Integer.parseInt(custumer.split(" ")[1]) + 1;
                BigDecimal custumerRow = new BigDecimal(row);
                BigDecimal custumerCol = new BigDecimal(col);
                if (row >= col) {
                    for (int i = col; i > 1; i--) {
                        BigDecimal colAmount = custumerRow.multiply(BigDecimal
                                .valueOf(i));
                        moneyEarned = moneyEarned.add(colAmount
                                .multiply(row % 2 == 0 ? rakijaPrice
                                        : lukankaPrice));
                    }
                    for (int i = row; i > 1; i--) {
                        BigDecimal rowAmount = BigDecimal.valueOf(i);
                        moneyEarned = moneyEarned.add(rowAmount
                                .multiply(i % 2 == 0 ? rakijaPrice
                                        : lukankaPrice));
                    }
                } else {
                    for (int i = row; i > 1; i--) {
                        BigDecimal currentRow = BigDecimal.valueOf(i);
                        BigDecimal rowAmount = currentRow.multiply(custumerCol);
                        moneyEarned = moneyEarned.add(rowAmount
                                .multiply(i % 2 == 0 ? rakijaPrice
                                        : lukankaPrice));

                    }
                    for (int i = col; i > 1; i--) {

                        BigDecimal colAmount = BigDecimal.valueOf(i);
                        moneyEarned = moneyEarned.add(colAmount
                                .multiply(lukankaPrice));
                    }
                }
                custumerCounter++;
                custumer = scanner.nextLine();

            }
            System.out.println(moneyEarned
                    .setScale(6, BigDecimal.ROUND_HALF_UP));
            System.out.println(custumerCounter);
        } catch (Exception e) {
            System.out.println(e.toString());
        }
    }
}