A Study on How NNC0174-1213 Works in People With Overweight or Obesity.

"Participants will be randomized to receive NNC0174-1213 A administered as subcutaneous (s.c. under the skin) injection.~Single ascending dose (SAD) will be injected for Part A cohorts and multiple ascending doses (MAD) will be injected for Part B cohorts."

"Participants will be randomized to receive Cagrilintide B administered as subcutaneous (s.c. under the skin) injection.~Single ascending dose (SAD) will be injected for Part A cohorts and multiple ascending doses (MAD) will be injected for Part B cohorts."

"Participants will be randomized to receive Placebo administered as subcutaneous (s.c. under the skin) injection.~Single ascending dose (SAD) will be injected for Part A cohorts and multiple ascending doses (MAD) will be injected for Part B cohorts."