public static List<Integer> gradingStudents(List<Integer> grades) {
    // Write your code here
    List<Integer> finalGrades = new ArrayList<>();
    for (Integer grade : grades) {
        int roundOff = grade%5;
        if(grade>=38 && roundOff>2){
            grade+=(5-roundOff);
        }
        finalGrades.add(grade);
    }
    return finalGrades;
    }