Task: Program Execution
Input (English): 17, 21, ['6555', 'G', 'e', '1819', '7653', '7093', '4109', '2401', '6205', '6701', '4457', 'L', '8781', '6211', 'U', 'q', '6729', '4559', '5973', 'S', 'h', '8899', 'C', 'w', '979']
Output (English): hS597345596729