Task: Program Execution
Input (English): 5613, 9391, 9189, j, 1633, 1581, l, 9267, 7921, 8725, u, 4755, 2529, 6639, 8611, 6991, 4173, 877, l, 1115, e, v, z
Output (English): e, j, l, u, v, z