10356: ABC326 —— B - 326-like Numbers
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Description
A 326-like number is a three-digit positive integer where the product of the hundreds and tens digits equals the ones digit.
For example, $326,400,144$ are 326-like numbers, while $623,777,429$ are not.
Given an integer $N$, find the smallest 326-like number greater than or equal to $N$. It always exists under the constraints.
For example, $326,400,144$ are 326-like numbers, while $623,777,429$ are not.
Given an integer $N$, find the smallest 326-like number greater than or equal to $N$. It always exists under the constraints.
Input
The input is given from Standard Input in the following format:
```
$N$
```
```
$N$
```
Output
Print the answer.
Constraints
- $100 \leq N \leq 919$
- $N$ is an integer.
- $N$ is an integer.
Sample 1 Input
320
Sample 1 Output
326
320,321,322,323,324,325 are not 326-like numbers, while 326 is a 326-like number.
Sample 2 Input
144
Sample 2 Output
144
144 is a 326-like number.
Sample 3 Input
516
Sample 3 Output
600