Task: Program Execution
Input (English): F, w, 1997, 8133, 6107, u, S, t, 4219, 7463, Q, 9091, 5479, n, e, B, 4687, t, 2435, l, j, d, S
Output (English): 3, 4, 5, 9, 10, 12, 13, 17, 19