Task: Program Execution
Input (English): A, 9181, i, N, 3995, u, 9671, K, i, 5185, 4241, e, 7939, l, 4723, r, 4181, 905, r, Y, 7225, Z, I, 6817
Output (English): 2, 5, 7, 10, 11, 13, 15, 17, 18, 21, 24