Task: Program Execution
Input (English): 621, 4803, 9631, v, 7733, e, j, x, s, 7347, b, q, 4431, k, 1537, k, u, 6223, w, 2701, q, m, j, d
Output (English): b, d, e, j, k, m, q, s, u, v, w, x