Task: Program Execution
Input (English): 18, ['6555', '2319', '4319', '6037', 'X', '5379', 'i', 'E', 'd', 'R', 'Y', '6637', 'k', '9721', '3635', 'L', '6545', 'B', 'i', 'b', '2681', '4539', '1733', '8099', 'k', 'u', '7549', 'j', '5389', '9589', 'm', '1871', '689', '2333', '5693', '8665', 'b', '593', 'X', 'm']
Output (English): 6555, i, b