PROGRAMMING:The number of numbers that can be divided by 3, 5, and 7.
Find the number of numbers in a specified interval [a,b] that can be divided by 3, 5 and 7.
### Input Format:
Enter 2 positive integers a,b (1<=a### Output Format:
### Sample Inputs1:
```in
10 100
```
### Sample Output1:
```out
0
```
### Sample Inputs2:
```in
1000 100000
```
### Sample Output2:
```out
nine hundred and forty-three
```
answer：If there is no answer, please comment
### Input Format:
Enter 2 positive integers a,b (1<=a
### Sample Inputs1:
```in
10 100
```
### Sample Output1:
```out
0
```
### Sample Inputs2:
```in
1000 100000
```
### Sample Output2:
```out
nine hundred and forty-three
```
answer：If there is no answer, please comment