Task: Program Execution
Input (English): 9281, L, 1853, Q, e, k, w, O, r, 7841, Q, w, 2827, 8311, T, y, 251, s, U, 7833, 4787, 5679, U
Output (English): 1, 3, 10, 13, 14, 17, 20, 21, 22