How many times do students need to pay the SEVIS fee when applying for F and M visas?
The SEVIS fee is a one-time payment required for each visa application.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
How many times do students need to pay the SEVIS fee when applying for F and M visas?

### Input: Not applicable

### Response:
The SEVIS fee is a one-time payment required for each visa application.<|im_end|>