case IO.gets("")|> String.split |> Enum.map(&Integer.parse/1) |> Enum.map(&elem(&1,0)) do
   [_, _, _, 1] ->
      IO.puts "SURVIVED"
   [a, b, c, _] when a+b+c<2 ->
      IO.puts "SURVIVED"
   _ ->
      IO.puts "DEAD"
end