Task: Program Execution
Input (English): 4933, g, 8609, c, 5871, r, X, a, 5417, 2695, 4387, a, J, 2347, 131, g, 7005, A, 4127, A, 1255, e, y, o
Output (English): 1, 3, 5, 9, 10, 11, 14, 15, 17, 19, 21