Task: Program Execution
Input (English): 1, 6, ['n', '531', 'z', 'm', 'B', '4129', '7229', '3137', '2937', '3173', 'g', '5065', '6833', 'q', '3197', 'W', 'd', 'x', 'D']
Output (English): n, 7229, 6833, D