Task: Program Execution
Input (English): 3873, q, 1575, n, 5447, 4263, 7845, 8701, o, 2549, a, m, i, 1765, c, 7563, 9349
Output (English): 3873, 1575, 5447, 4263, 7845, 8701, 2549, 1765, 7563, 9349