Task: Program Execution
Input (English): l, 935, b, 2593, 4529, l, B, 9439, 1725, S, 427, S, k, p, 3637, T, 7113, k, D, z, g
Output (English): 1, 3, 6, 7, 10, 12, 13, 14, 16, 18, 19, 20, 21