import java.util.Scanner;

public class Poll {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int participants = Integer.parseInt(scanner.nextLine());
        int votesForFirstPlace = Integer.parseInt(scanner.nextLine());

        double votesForSecondPlace = votesForFirstPlace - (votesForFirstPlace / 5);
        double votesForThirdPlace = votesForSecondPlace -( votesForSecondPlace / 10);

        double allVotes = votesForFirstPlace + votesForSecondPlace + votesForThirdPlace;
        double halfVotes = participants/2;




        if(allVotes >= halfVotes){
            double difference = Math.ceil(allVotes - halfVotes);
            System.out.printf("First three languages have %d votes more", ((int)difference));

        }else {
            double difference = Math.ceil(allVotes - halfVotes);
            System.out.printf("First three languages have %d votes less of half votes", Math.abs((int)difference)) ;
        }

    }
}