Task: Program Execution
Input (English): 2, 15, ['Q', '7469', 'v', 'Q', 'V', 'K', 's', '6469', 'b', '3417', 'S', '7613', 'q', '371', '5351', '6897', 'X']
Output (English): 7469vQVKs6469b3417S7613q3715351