Task: Program Execution
Input (English): 10, 15, ['9235', 'f', '9335', '3823', 'X', 't', 'b', '3751', 'X', '8519', 'C', '5269', '2947', '6723', 'v', 'F', '145', '5013', '5241', '1757', 'c', 'A', '8031', '7029', 'M']
Output (English): 8519, C, 5269, 2947, 6723, v