Task: Program Execution
Input (English): 2885, q, i, Y, q, L, 2189, i, 6259, k, l, 571, C, Y, B, n, 8661, 181, 6531, w
Output (English): 2, 3, 4, 5, 6, 8, 10, 11, 13, 14, 15, 16, 20