Task: Program Execution
Input (English): 10, ['9661', 'R', 'W', '3453', 'C', '5319', '6277', '1973', 'L', 'G', '8165', 'e', 'b', '8917', '1945', '6871', '4013', '2913', '4233', '31', 'C', '5167', '1021', 'z', '663', '1783', '911', 'm', 'M', '4243']
Output (English): 9661, 8165, C