def get_student_name(students):
    """
    This function takes a dictionary of students and their grades
    and returns the name(s) of the student(s) with the lowest grade above the minimum grade
    """
    min_grade = min(students.values())
    # sort the dictionary by values
    students = sorted(students.items(), key=lambda x: x[1])

    results = []
    result = None

    for name, grade in students:
        if grade > min_grade and not results:
            results.append(name)
            result = grade
        elif grade == result:
            results.append(name)
        else:
            continue

    return results


students = {'r': 0, 'b': 0, 'c': 3, 'n': 10, 'e': 50 , 'a': 3}
print(get_student_name(students))