Write a program that reads pairs of natural numbers a and b, and for each one prints the smallest natural number that is greater than or equal to a and also a multiple of b.

Input

Input consists of a sequence of pairs of natural numbers a and b with b ≥ 1.

Output

For each a and b, print in a line the smallest natural number x such that x ≥ a and x = mb for some natural number m. Precede this with the case number starting at 1, following the format of the example.

Public test cases

**Input**

12 5 10 5 123 1

**Output**

#1 : 15 #2 : 10 #3 : 123

Information

- Author
- Salvador Roura
- Language
- English
- Translator
- Carlos Molina
- Original language
- Catalan
- Other languages
- Catalan
- Official solutions
- C++ Java Python
- User solutions
- C C++ Java Python