# 9f99399d987369ebe83e6b5ab59a813729ddd85bbc4c82bf1086dfdaa42c6b53 Elan 1.8.2 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
