PROGRAMMING:String grading

Determine whether two strings composed of uppercase and lowercase letters and spaces contain exactly the same letter after ignoring case and space.
###Input format:
Two lines, enter two strings of uppercase and lowercase letters and spaces
###Output format:
If two strings contain exactly the same letter (case insensitive), output yes, otherwise output No.
###Input sample 1:
```in
This is a pencil
this is an apple
```
###Output sample 1:
```out
NO
```
###Input sample 2:
```in
Hello World
hello word
```
###Output sample 2:
```out
YES
```






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