Task: Program Execution
Input (English): q, k, j, 3503, 9983, o, r, 8231, S, 1953, V, v, 681, 3311, 6327, O, 1263, t, 137, u, 3937, l
Output (English): 3503, 9983, 8231, 1953, 681, 3311, 6327, 1263, 137, 3937