Task: Program Execution
Input (English): 3459, 8753, s, 9737, s, e, a, 8589, r, 691, d, 6599, f, 9015, 4279, x, 7335, 9163, g, u, 341, n, 6595, 7339
Output (English): a, d, e, f, g, n, r, s, u, x