Task: Program Execution
Input (English): 909, 8229, 1367, y, m, 6725, e, n, l, 3405, v, t, W, F, 1421, 3913, L, 8937, n, 8279, F, A
Output (English): 4, 5, 7, 8, 9, 11, 12, 13, 14, 17, 19, 21, 22