human: Given a hyperedge-centered hypergraph: <hypergraph>, where the center hyperedge is induced by one source paper and its member nodes are the cited papers.

Details of the hypergraph:
Center hyperedge (induced by source paper "formaleuros formalcoins and virtual monies"):
  Abstract: An informal presentation is provided of a theoretical informatics perspective on the formalization of money, including a specific agent role dependent formalist view of money.

Includes members:
  Member "searching publications on operating systems":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "bitcoin and beyond exclusively informational money")
  Member "on the definition of a theoretical concept of an operating system":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "bitcoin and beyond exclusively informational money")
  Member "an interface group for process components":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "a process calculus with finitary comprehended terms")
  Member "machine structure oriented control code logic":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "decision taking versus promise issuing")
  Member "tuplix calculus specifications of financial transfer networks":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "a process calculus with finitary comprehended terms")
  Member "a static theory of promises":
    also connected through other hyperedges:
      - Hyperedge HE-6 (induced by source paper "bitcoin a money like informational commodity")
  Member "interface groups and financial transfer architectures":
    also connected through other hyperedges:
      - Hyperedge HE-7 (induced by source paper "a process calculus with finitary comprehended terms")

Question: Please tell me which class the source paper belongs to. The 40 classes are: cs.NA(Numerical Analysis), cs.MM(Multimedia), cs.LO(Logic in Computer Science), cs.CY(Computers and Society), cs.CR(Cryptography and Security), cs.DC(Distributed, Parallel, and Cluster Computing), cs.HC(Human-Computer Interaction), cs.CE(Computational Engineering, Finance, and Science), cs.NI(Networking and Internet Architecture), cs.CC(Computational Complexity), cs.AI(Artificial Intelligence), cs.MA(Multiagent Systems), cs.GL(General Literature), cs.NE(Neural and Evolutionary Computing), cs.SC(Symbolic Computation), cs.AR(Hardware Architecture), cs.CV(Computer Vision and Pattern Recognition), cs.GR(Graphics), cs.ET(Emerging Technologies), cs.SY(Systems and Control), cs.CG(Computational Geometry), cs.OH(Other Computer Science), cs.PL(Programming Languages), cs.SE(Software Engineering), cs.LG(Machine Learning), cs.SD(Sound), cs.SI(Social and Information Networks), cs.RO(Robotics), cs.IT(Information Theory), cs.PF(Performance), cs.CL(Computation and Language), cs.IR(Information Retrieval), cs.MS(Mathematical Software), cs.FL(Formal Languages and Automata Theory), cs.DS(Data Structures and Algorithms), cs.OS(Operating Systems), cs.GT(Computer Science and Game Theory), cs.DB(Databases), cs.DL(Digital Libraries), cs.DM(Discrete Mathematics). Directly output the class name.

gpt: cs.CY(Computers and Society)