Task: Program Execution
Input (English): 3341, 7341, 465, C, 7953, 6367, w, 1405, 7541, p, c, 3119, s, 1115, 4833, u, 5085, I, j, q, Y, x, 6155, v
Output (English): 1, 2, 3, 5, 6, 8, 9, 12, 14, 15, 17, 23