Task: Program Execution
Input (English): 9021, 3365, 5885, p, J, z, 8543, 4295, n, u, 3251, 1881, 243, 5705, 7585, D, g, z, W, 1457, 9115
Output (English): 1, 2, 3, 7, 8, 11, 12, 13, 14, 15, 20, 21