PROGRAMMING:Ly Series Dating battle
Ly finally got the chance to date a beautiful girl, but she put forward a test to test her. She would say a number randomly, and she would say whether the number is square or not in 1.3 seconds to 1.4 seconds! It's because Xuemei said that she can go on a date with ly only in this way! But ly didn't count! Please smart you to help ly write a program, can calculate the number is not a square number! Ly's life depends on you again, hero!
###Input format:
Enter an integer t.
###Output format:
If the number is square, output yes, otherwise output No.
###Input example:
Here is a set of inputs. For example:
```in
twenty
```
###Output example:
The corresponding output is given here. For example:
```out
No
```
answer：If there is no answer, please comment
###Input format:
Enter an integer t.
###Output format:
If the number is square, output yes, otherwise output No.
###Input example:
Here is a set of inputs. For example:
```in
twenty
```
###Output example:
The corresponding output is given here. For example:
```out
No
```
answer：If there is no answer, please comment