Task: Program Execution
Input (English): 2, 11, ['3893', 'G', 'd', '3069', 'Q', '2825', 'N', '4635', '7649', '8805', 'C', 'U', 'Y', '6271', '5613', 'u', '7445', '8851', '7039', '3955', 'q', '831', '4433']
Output (English): G, Y