Task: Program Execution
Input (English): 5265 1325 4421 V 3899 E 6901 7139 6621 8753 c 3493 4899 U 9791 t o 7635 o 9959 4509 3373 N t u D c k c 5301
Output (English): 1, 2, 3, 5, 7, 8, 9, 10, 12, 13, 15, 18, 20, 21, 22, 30