PROGRAMMING:YP of garden

Garden came to his university after all kinds of bumps? PY？
This problem only needs to output an n * n matrix composed of yppy.
See examples for specific rules
###Input format:
n(n<25)
###Output format:
An n * n matrix composed of yppy
###Input example:
Here is a set of inputs. For example:
```in
two
three
```
###Output example:
The corresponding output is given here. For example:
```out
YP
PY
YPY
PYP
YPY
```







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