Task: Program Execution
Input (English): 7, ['B', 'N', '6655', 'I', '6253', 'X', '671', '8187', 'c', '9575', 'o', 's', 's', '47', 'c', 'w', '765', 'l', 'a', '7167', 'x', '7827', '5687', 'n', 'h', '1975', 'Z', 'F']
Output (English): B, 8187, c, 7827