Task: Program Execution
Input (English): 13, 13, ['7873', 'Y', 'q', 'O', '5211', '4033', 'q', 'P', '1023', '9003', '9343', 'j', 'P', '4805', 'Y', 'j', 'G', '2921', 'f', 't', '5413', '4255', '3053', '6053', '5285']
Output (English): P