Task: Program Execution
Input (English): N 3811 g 945 7841 2667 2679 8359 f F 6807 1833 B 9489 u 7131 2875 5769 Y 949 G K B K E 1977
Output (English): 2, 4, 5, 6, 7, 8, 11, 12, 14, 16, 17, 18, 20, 26