Task: Program Execution
Input (English): 7, ['r', '4253', 'k', 'B', '9681', 'e', '531', '3507', '7807', 'J', '6411', 'a', '1801', '1015', 'm', '6863', 'E', '7101', '499', '2855', '6443', '1139', 'j', '1799']
Output (English): r, 3507, m, 1139