Task: Program Execution
Input (English): 1, 9, ['3533', '8247', '1815', 'o', 'z', '219', '4585', 'q', '2333', '969', 'M', '7687', 'P', 'p', 'P', '4317', 'p', '1199', '3699']
Output (English): 3533, 969, 3699