Task: Program Execution
Input (English): 13, 16, ['K', '463', '1613', 'K', 'M', 'i', 'I', '397', '3171', 's', '2739', '2033', '4637', 'H', '1909', 'A', 'D', '3987', 'f', '5253', '3157', '165', 'u']
Output (English): 4637H1909A