Task: Program Execution
Input (English): 10, ['O', '1647', 'j', 'T', '2665', 'S', '6455', 'd', '2779', '9027', 'B', 'e', 'M', '695', 'K', '351', '6327', '1815', '5747', 'F', '6975', '4693', '4379', 's', 'T', 'F', '1059', '7145', '9187', 'a', 'C', '4571', '3467', 'r', '1143', 'S']
Output (English): O, B, 6975, C