Task: Program Execution
Input (English): 7, ['a', '1155', '2069', '3443', 'a', 'e', 'B', 'r', 'x', '7765', '5323', '3857', 't', '6891', 'e', '8165']
Output (English): r, x, 7765, 5323, 3857, t, 6891, e, 8165