Task: Program Execution
Input (English): 7, 20, ['A', 'q', '8397', '9869', 'W', 'A', 'J', 'y', '5015', '7315', 'J', '8881', 'J', 'y', 'f', '2681', 'q', '4007', '1301', '6007', '4017', 'm', '6939', '93', '8723', '7797']
Output (English): Jy50157315J8881Jyf2681q400713016007