Task: Program Execution
Input (English): 1, 7, ['k', '8535', '6335', 'h', 'P', '5645', '8931', '391', 't', 'S', '3299', '7749', 'a', 'N', 'U']
Output (English): k, 8535, 6335, h, P, 5645, 8931