# Party

Very easy

Execution time limit is 1 second

Runtime memory usage limit is 128 megabytes

How many ways are there to choose $k$ out of $n$ participants in the summer math camp, each of whom will receive kefir? Print the answer modulo $9929$.

## Input

Two integers $n$ and $k(0≤k≤n≤500)$.

## Output

Print the number of ways modulo $9929$.

## Examples

Input #1

Answer #1

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