class Application
    def main
      puts judgment( cut_received_code(get_code) )
    end

    def judgment(value : Array) : String
      i = 0
      value.each{ |v| (i += 1) if v == 1  }
      return ( (value[3] == 0) ? (i >= 2 ? "DEAD" : "SURVIVED") : "SURVIVED")
    end

    def cut_received_code(value : String) : Array
      value.split(" ").map(&.to_i)
    end

    def get_code : String
      return gets.to_s.chomp
    end
 end

 Application.new.main