Task: Program Execution
Input (English): x, 3323, 9543, 2631, C, 2807, 8135, q, 2883, O, 5991, 5697, 8573, 9395, w, L, 8841, 1529, P, 5595, h, 4643, 9031
Output (English): 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 17, 18, 20, 22, 23