Task: Program Execution
Input (English): 8169, J, m, 6997, 8279, N, o, 3663, u, t, 7879, 5495, M, l, 6473, r, a, b, 4409, 3883, g
Output (English): 2, 3, 6, 7, 9, 10, 13, 14, 16, 17, 18, 21