Task: Program Execution
Input (English): 15, 17, ['2589', '3609', 'l', 'O', 'h', '8879', 'I', 'G', 'b', '8983', 'S', 'y', '6777', '3059', '8715', 'F', '1055', '8075', 'Z', 'r']
Output (English): 1055F8715