public static List<Integer> gradingStudents(List<Integer> grades) {
// Write your code here
List<Integer> finalList = new ArrayList<>();
    for(Integer num :grades){
        if(num < 38){
            finalList.add(num);
        }else if(num % 5 == 0 || num % 5 == 1 || num % 5 == 2){
            finalList.add(num);
        }else if (num % 5 == 3){
              finalList.add(num + 2);
        }else if (num % 5 == 4){
              finalList.add(num + 1);
        }
    }
 return finalList;
}