Task: Program Execution
Input (English): N c B 5643 W 9061 E 2665 2221 2763 6141 n 1017 G 1563 5717 K n V 4537 1829 p O O 3869 F 5485 4481
Output (English): 4, 6, 8, 9, 10, 11, 13, 15, 16, 20, 21, 25, 27, 28