Please help with C code:

Tiles of 2 colors are laid out in n rows and m columns. Please calculate the number of patterns in which the number of tiles of each color is equal, and print the last 9 digits of the number of patterns. CLI Build the solution as a CLI application that receives input values from stdin and returns the expected output to stdout. For details, see the "Command line application template" section at the bottom of this page. Input rules m, n are given from a standard input. The constraints are as below. 1 < m < 10, an integer 1