PROGRAMMING:Judge leap year
Input a year, if it is leap year output "Yes", otherwise output "No".
### Input:
One positive integer
### Output:
"Yes" or "No"
### Input smaple:
```
two thousand and seventeen
```
### Output sample:
```
No
```
### Input smaple:
```
two thousand
```
### Output sample:
```
Yes
```
answer：If there is no answer, please comment
### Input:
One positive integer
### Output:
"Yes" or "No"
### Input smaple:
```
two thousand and seventeen
```
### Output sample:
```
No
```
### Input smaple:
```
two thousand
```
### Output sample:
```
Yes
```
answer：If there is no answer, please comment