Task: Program Execution
Input (English): r, x, C, o, g, F, 3359, 8649, i, 1895, U, 3859, u, 1429, z, 635, S, 5991, 3763, w, 7059, L, 3773
Output (English): 1, 2, 3, 4, 5, 6, 9, 11, 13, 15, 17, 20, 22