Task: Program Execution
Input (English): c n h u 3965 561 L 8129 O 9079 5201 l 7533 3567 7535 z 9937 u K 8983 X N 4165 215 Z d 1917 f c
Output (English): 1, 2, 3, 4, 7, 9, 12, 16, 18, 19, 21, 22, 25, 26, 28, 29