Task: Program Execution
Input (English): 1, 15, ['4269', '6489', '8181', '1435', '8965', '8535', 'q', 'S', '8067', '2825', '6409', '7807', 'M', 't', 't', '6481', '9233', '883']
Output (English): ttM7807640928258067Sq853589651435818164894269