import java.util.Scanner;

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

        try {
            score = scanner.nextInt();
            validateAndPrintScore(score);
        } catch (ScoreException e) {
            System.out.println(e.getMessage());
        } finally {
            scanner.close();
        }
    }

    public static void validateAndPrintScore(int score) throws ScoreException {
        if (score < 0 || score > 100) {
            throw new ScoreException("分数不合法");
        } else {
            System.out.println(score);
        }
    }

    static class ScoreException extends Exception {
        public ScoreException(String message) {
            super(message);
        }
    }
}