Task: Program Execution
Input (English): 4271, l, 7081, w, 7543, D, a, 4543, 5101, q, m, D, L, c, x, 3723, 1449, 5413, L, 8401, 9051
Output (English): 2, 4, 6, 7, 10, 11, 12, 13, 14, 15, 19