Task: Program Execution
Input (English): 7, 12, ['U', 'B', 'J', '815', '2363', '7193', '8107', '4523', '9131', '289', '1717', 'e', 'N', 'T', '1177', '6389', '6661', '935', 'I']
Output (English): e, 1717, 289, 9131, 4523, 8107