Task: Program Execution
Input (English): 1, 12, ['6939', '2233', 'C', 'D', '2015', 'J', '2061', '8315', '9769', 'G', '5789', '8237', '5941', 'y', 'g', 'a', 'x', 'X', '7995', 'j', 'e', '8791', 'U', '4277', 'f', '4111', '3009', 'K', '6243']
Output (English): 6939, 5941, f