Task: Program Execution
Input (English): 5381 1707 5453 1287 7269 4991 G Y 4429 c 9655 e t a 4167 e F 8617 P 2697 9023 3925 Y 3753 3007
Output (English): 1, 2, 3, 4, 5, 6, 9, 11, 15, 18, 20, 21, 22, 24, 25