import java.util.Scanner;

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

        System.out.print("Enter the number of lines of code written by Vasya: ");
        int linesOfCode = scanner.nextInt();

        System.out.print("Enter the desired salary: ");
        int desiredSalary = scanner.nextInt();

        int baseSalary = (linesOfCode / 100) * 50;
        int extraLines = linesOfCode % 100;
        if (extraLines >= 50) {
            baseSalary += 50;
        }

        int maxLatePenalties = baseSalary / 100 * 3;
        int remainingSalary = desiredSalary - baseSalary;

        if (remainingSalary <= 0) {
            System.out.println("ERROR");
        } else {
            int maxLatePenaltiesAllowed = remainingSalary / 20;
            int maxLatePenaltiesToUse = Math.min(maxLatePenalties, maxLatePenaltiesAllowed);
            System.out.println("Vasya can be late up to " + maxLatePenaltiesToUse + " times.");
        }

        scanner.close();
    }
}