Task: Program Execution
Input (English): 6, 7, ['o', '4199', 'n', 'A', 'q', '7697', 'Q', 'A', 'Z', 'C', 'K', '4011', '4751', 'W', 'i', '3255', '1449', 'B', 'z', '8747']
Output (English): 7697Q