Task: Program Execution
Input (English): 3693, 4313, 2405, O, K, x, 5585, F, L, 5569, E, 1693, e, 179, g, J, 5177, 1891, a, 7599, 5861
Output (English): 1, 2, 3, 7, 10, 12, 14, 17, 18, 20, 21