PROGRAMMING:party
Xiao Hong invited her good friend to dinner. Due to the large number of people, the tableware was not enough. She needed to go to the small room to get new tableware. Everything in the small room is packed in a box. There is a note on the box with the name of the items inside. Can you help Xiao Hong find out the tableware?
The types of tableware are: bowl, knife, fork, chopsticks.
###Input format:
The input contains multiple sets of test data. Each group first enters an integer n, which means that there are n boxes in the small room.
Then enter n strings to represent the contents of the box.
###Output format:
For each group of input, output the names of all tableware.
###Input example:
Here is a set of inputs. For example:
```in
3 basketball fork chopsticks
2 bowl letter
```
###Output example:
The corresponding output is given here. For example:
```out
fork chopsticks
bowl
```
answer：If there is no answer, please comment
The types of tableware are: bowl, knife, fork, chopsticks.
###Input format:
The input contains multiple sets of test data. Each group first enters an integer n, which means that there are n boxes in the small room.
Then enter n strings to represent the contents of the box.
###Output format:
For each group of input, output the names of all tableware.
###Input example:
Here is a set of inputs. For example:
```in
3 basketball fork chopsticks
2 bowl letter
```
###Output example:
The corresponding output is given here. For example:
```out
fork chopsticks
bowl
```
answer：If there is no answer, please comment