Task: Program Execution
Input (English): 20, 25, ['9987', '9133', '6899', '7801', 'M', 'b', 'O', '2781', 'V', 'r', '2937', 'q', 'k', 'n', '7231', '901', 'l', '341', 'W', '6029', '9017', '7791', 'U', '4451', 'i', 'C', '6777', '1935']
Output (English): i, 4451, U, 7791, 9017, 6029