Task: Program Execution
Input (English): 4051, i, 2427, 8101, 3709, 2097, r, I, b, 2391, O, q, G, 2703, D, 4121, l, J, k, 2705, 1429, j
Output (English): 1, 3, 4, 5, 6, 10, 14, 16, 20, 21