# b43ba4e6bd4655098af7d8c6e051baba89ad49068f06c6d1cbf774e0d04d50a2 Elan 1.8.0 guest default_profile valid

main
  variable st set to new Set<of Int>()
  set st to st.addFromList([3, 5, 7])
  print st.length()
  set st to st.add(7)
  print st.length()
  set st to st.remove(3)
  print st.length()
  set st to st.remove(3)
  print st.length()
  print st
end main
