Task: Program Execution
Input (English): 4, ['Y', '9947', 'E', '3957', '3703', 'J', 'H', '799', '8025', '6427', 'A', 'y', '3607', 'I', 'Z', '373', '9945', '2629']
Output (English): Y, 3703, 8025, 3607, 9945