PROGRAMMING:Deletion of JL
JL senior likes to do some strange things. I heard that he wanted to be a light when he was a child? It's a bit far away... Today, Mr. JL wants to ask for your help,
You just need to help him to delete a super large number of fixed numbers and turn it into the smallest number at present
###Input format:
The length of a super large number n is less than 1000, and the number of bits to be deleted K is less than 1000
###Output format:
Output the smallest number after deletion
###Input example:
Here is a set of inputs. For example:
```in
21 1
21 2
```
###Output example:
The corresponding output is given here. For example:
```out
one
0
```
answer：If there is no answer, please comment
You just need to help him to delete a super large number of fixed numbers and turn it into the smallest number at present
###Input format:
The length of a super large number n is less than 1000, and the number of bits to be deleted K is less than 1000
###Output format:
Output the smallest number after deletion
###Input example:
Here is a set of inputs. For example:
```in
21 1
21 2
```
###Output example:
The corresponding output is given here. For example:
```out
one
0
```
answer：If there is no answer, please comment