Task: Program Execution
Input (English): t, D, 3267, 9183, i, 5485, 8547, 7001, v, 2245, 8885, 1651, D, g, 9017, f, 3445, 4827, 5279, 3441
Output (English): 3, 4, 6, 7, 8, 10, 11, 12, 15, 17, 18, 19, 20