Task: Program Execution
Input (English): 4, 18, ['4575', 'I', 'j', 'd', 'O', 'b', '9447', 'T', '6557', 'F', '5669', 't', 'U', '6059', 'V', 'R', '193', 'q']
Output (English): q391RV9506Ut9665F7556T7449bOd