Task: Program Execution
Input (English): 5, 17, ['E', '5515', '7525', '9189', 'n', 'a', '2031', '6577', '4735', 'O', '9027', '7255', 'm', '6825', '5015', 'j', 'X', 'O']
Output (English): Xj50156825m72559027O473565772031an