Task: Program Execution
Input (English): 8, ['8563', '7587', 'O', '2217', 'r', '103', 'q', '7523', 'B', '7885', '8557', '3283', 'L', '4179', 'P', 'e', 'k', '7873', 'C', 'P', '4759', 'Z', '2563', '4267', 'O', 'E', '5989', 'q', '1949', '5945', '821']
Output (English): 8563, B, k, O