Task: Program Execution
Input (English): o, 6861, p, 7333, 4963, 2521, m, v, 277, 8195, h, S, F, C, 6861, E, 2017, u, 7765, 3709, 6245
Output (English): 2, 4, 5, 6, 9, 10, 15, 17, 19, 20, 21