Originally, deme V had a population size of 3842, which changed to 2710 around 5274.2142 generations ago and has not changed since.
time_units: generations
demes:
  - name: V
    start_time: .inf
    epochs:
      - start_size: 3842
        end_time: 5274.2142
      - start_size: 2710
        end_time: 0