The document contains code to multiply two matrices of user-defined size. It prompts the user to enter the number of rows and columns for the matrices. It then inputs the elements of the first and second matrices from the user. The code then initializes a result matrix and uses a nested for loop to multiply the elements of the first matrix with the corresponding elements of the second matrix and store the results in the result matrix. Finally, it outputs the result matrix containing the multiplication of the two input matrices.