Task: Program Execution
Input (English): 1945, R, 4681, n, e, u, O, 841, Z, 347, N, 6093, b, i, 8955, 6341, 6637, 2989, d, 8779, 5667, H, G, F
Output (English): 1, 3, 8, 10, 12, 15, 16, 17, 18, 20, 21