Task: Program Execution
Input (English): q, I, u, 2391, 9025, B, x, u, V, 4157, 1681, j, 8559, 7347, 845, e, O, Q, 7767, 2889, 2623, F, t
Output (English): 4, 5, 10, 11, 13, 14, 15, 19, 20, 21