Task: Program Execution
Input (English): 1, 4, ['r', '1515', '949', 'b', '1351', '2769', '2603', '8129', '7349', '2135', 'G', '8725', '8597', '9763', '5353', '5853', 'B', '4597', 'T', 't', '5727', '2837', '7957']
Output (English): r, 1351, 7349, 8597, B, 5727