Task: Program Execution
Input (English): F, 8117, v, 8271, g, 5097, 8787, 3783, 6471, 1179, 8301, 9123, u, K, e, 4619, g, 3755, y, G, q, 5057, o
Output (English): 1, 3, 5, 13, 14, 15, 17, 19, 20, 21, 23