Task: Program Execution
Input (English): 13, 18, ['5601', '7499', '1997', '8431', '4915', '5781', 'L', '3347', 'x', 'K', 'D', '9407', '5821', 'p', '997', 'I', 'P', '8171', 'i', '8571', '8381', 't', 'T', '2019', '4195', '9845', 'X', '1659', '273']
Output (English): 5821, p, 997, I, P, 8171