Add an "s" to the  following word to make it plural: "foot"
foot
feet (please note that "foot" doesn't form its plural by simply adding an "s"; its plural is "feet.")
Complete the following task based on the instruction and optional input provided.### Instruction:
Add an "s" to the  following word to make it plural: "foot"

### Input:
foot

### Output:
feet (please note that "foot" doesn't form its plural by simply adding an "s"; its plural is "feet.")