Task: Program Execution
Input (English): z, 5821, 2163, A, 3959, 8129, i, w, V, 6907, Y, 6699, 7095, A, 8683, s, V, k, 4325, g, 2129, 3759, 5635
Output (English): 2, 3, 5, 6, 10, 12, 13, 15, 19, 21, 22, 23