Task: Program Execution
Input (English): 1, 5, ['X', '4357', '8055', 'M', '1407', '527', 'F', 'k', '8735', 'h', 'f', 'X', 'P', 'o', '9807', '4827', '3605', '5461', '583', 'a', 'e', '8643', 'p', '1773']
Output (English): 1407, M, 8055, 4357, X