A number k is beautiful if it is of the form 3n+1, is pretty if it is of the form 3n+2 and is sexy if it is of form 3n.

Given a number k, print if it is beautiful, pretty or sexy.

Sample input:

21

Sample output:

sexy

Sample input:

22

Sample output:

beautiful

Sample input:

23

Sample output:

pretty

**Solution**

```
#input has been taken for you
k=int(input())
#check if the number is beautiful, pretty or sexy
if k%3==0: #if k is of form 3n
print('sexy')
elif k%3==1: #else if k is of form 3n+1
print('beautiful')
elif k%3==2: #else if k is of form 3n+2
print('pretty')
```