Task: Program Execution
Input (English): 7755, d, 5301, 7999, 9821, t, 4491, 7283, n, t, J, 6131, 3931, T, 1, d, 8277, e, Q, e, Y, 9957, 7159
Output (English): 2, 6, 9, 10, 11, 14, 16, 18, 19, 20, 21