Task: Program Execution
Input (English): Y, L, q, 1749, 9395, r, 8615, U, 6681, J, 2779, y, 5971, 4761, H, R, D, 9483, 7729, 8235, 4353, 2533, s, J
Output (English): 1, 2, 3, 6, 8, 10, 12, 15, 16, 17, 23, 24