As we know, the number $13$ is considered an unlucky number. In East Asian culture, specifically in China and Japan, the number $4$ is also considered unlucky due to its pronunciation similarity to the word "death."
A number is considered unlucky if its decimal representation contains the digit $4$ or $13$. For example, $132$ is unlucky, $40$ is unlucky, while $193$ is not.
Count the number of positive integers that are unlucky and do not exceed $n$.
### Input
- A single line containing an integer $n$.
### Output
- Print the count of unlucky integers that satisfy the condition.
### Constraints
- $1 \le n \le 10^{18}$.
### Example
Input:
```
1234
```
Output:
```
343
```
