Write a program that, given two numbers n and t, prints all the multisets with t numbers that can be made up with {1, …, n}.

Input

Input consists of a natural number n > 0, followed by a natural number t ≥ 0.

Output

Print all the multisets of size t that can be made up with {1, …, n}. The numbers inside each multiset must appear in non-decreasing order.

You can print the solutions to this exercise in any order.

Public test cases

**Input**

3 3

**Output**

{3,3,3} {2,3,3} {2,2,3} {2,2,2} {1,3,3} {1,2,3} {1,2,2} {1,1,3} {1,1,2} {1,1,1}

Information

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