Task: Program Execution
Input (English): [4713, 943, 'x', 's', 1537, 'Z', '2939', '4901', '1983', 'm', 'V', 'l', 4281, 6959], ['w', 9793, 'n', 'w', 'u', 'Z', '2939', '4901', '1983', 'm', 'g', 9035, 8117]
Output (English): Z, 2939, 4901, 1983, m