Task: Program Execution
Input (English): 1, 9, ['2763', '6765', 'q', 'F', '6123', 'n', '7849', '6985', 'U', '871', 'N', '9821', '3773', '6889', 'a', 'E', '7683', 'a', 'M', '8983']
Output (English): 2763, 871, M