Task: Program Execution
Input (English): l, 7039, b, O, D, 3749, 2949, U, v, 5935, k, 455, G, S, 897, 6027, 8991, N, G, w, 9007, v
Output (English): 1, 3, 4, 5, 8, 9, 11, 13, 14, 18, 19, 20, 22