Task: Program Execution
Input (English): 9821, n, 8639, U, 6701, n, 3851, T, 9281, h, 9357, 2741, 7519, 2885, N, 8013, 5305, E, Y, 5745, J
Output (English): 2, 4, 6, 8, 10, 15, 18, 19, 21