Task: Program Execution
Input (English): o, H, s, u, E, 6707, Y, n, B, 703, 1337, f, e, 723, L, L, E, o, G, D, 7101, a, 9989
Output (English): 1, 2, 3, 4, 5, 7, 8, 9, 12, 13, 15, 16, 17, 18, 19, 20, 22