Submit solution

Points:
10

Time limit:
0.2s

Java
0.6s

Python
1.0s

Memory limit:
64M

Author:

Problem type

You task is to find minimal natural number , so that contains exactly zeroes on the trail in decimal notation. As you know . For example, , contains one zero on the trail.

#### Input Specification

The first line will contain the integer .

#### Output Specification

Print `No solution`

, if there is no such number , and otherwise.

#### Sample Input

`2`

#### Sample Output

`10`

## Comments