Task: Program Execution
Input (English): 6, 7, ['2969', '2923', '7219', '8505', 'r', 'I', 'J', 'y', 'Y', '6139', '1003', 'Q', 'd', 'L', 'F', 'k', '9807', 'C', '3969', '8841', '6385']
Output (English): JI