Which of the following countries do not follow the rectangular-shaped flag standard that most every other country does: Nepal, South Africa, Japan, South Korea, Vatican City, Switzerland, Vietnam, Australia
Nepal, Vatican City, Switzerland
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Which of the following countries do not follow the rectangular-shaped flag standard that most every other country does: Nepal, South Africa, Japan, South Korea, Vatican City, Switzerland, Vietnam, Australia
### Input: 
### Response: Nepal, Vatican City, Switzerland