Task: Program Execution
Input (English): d, 9891, W, 4327, 3291, 5645, 8197, K, 843, 3873, 9943, 3359, 8515, 9149, o, A, 6623, 2961, F, C, h, Y, 7701
Output (English): 1, 3, 8, 15, 16, 19, 20, 21, 22