// My code - gives 90/100
import java.text.MessageFormat;
import java.util.Scanner;

public class DozensEggs {
    private static final Integer DAYS_OF_WEEK = 7;
    private static final Integer DOZEN = 12;

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        long eggsTotal = 0;
        long currentDayEggs = 0;
        for (int i = 0; i < DAYS_OF_WEEK; i++) {
            String[] eggsForDay = input.nextLine().split(" ");
            currentDayEggs = Integer.parseInt(eggsForDay[0]);
            if (eggsForDay[1].toLowerCase().contains("dozen")) {
                currentDayEggs *= DOZEN;
            }

            eggsTotal += currentDayEggs;
        }

        long dozens = eggsTotal / DOZEN;
        long eggs = eggsTotal % DOZEN;

        System.out.println(MessageFormat.format("{0} dozens + {1} eggs", dozens, eggs));

        input.close();
    }
}
-----------------------------------------------
// 100/100 author code
import java.util.Scanner;

public class DozenEggs {

    public static void main(String[] args) {

        //initialize variables
        Scanner str = new Scanner(System.in);
        int eggs = 0;
        int dozens = 0;


        for (int i = 0; i < 7; i++) {

            //read the input for actual "eggs" and "dozens"
            String input = str.nextLine();
            String[] currLine = input.split(" ");
            int currEggs = 0;

            //check the input if it is "eggs" or "dozens"
            if (currLine[1].toLowerCase().contains("dozen")) {
                currEggs = Integer.parseInt(currLine[0]) * 12;
            } else if (currLine[1].toLowerCase().contains("egg")) {
                currEggs = Integer.parseInt(currLine[0]);
            }

            //adding the input to total sum of "eggs"
            eggs += currEggs;
        }

        //calculating "eggs" and "dozens"
        dozens = eggs / 12;
        eggs = eggs % 12;

        System.out.println(dozens + " dozens + " + eggs + " eggs");
    }

}