# 0eaf7969f04c2b44119ad9722b0ca50ad08c76e9fc8a05529049b7485224bbea Elan 1.6.2 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
