Task: Program Execution
Input (English): 9, 16, ['1949', 'l', 'm', 'S', 'Q', 'b', 'A', '3837', 'C', '5251', 'q', 'u', '7125', 'M', 'C', 'E', '1345', '4749']
Output (English): C5251qu7125MCE