Task: Program Execution
Input (English): 887 Y 9503 D O M H 8941 G M 2279 y 5837 7517 X 5657 1615 p I d 4139 p V 6721 E 7099
Output (English): 887, 9503, 8941, 2279, 5837, 7517, 5657, 1615, 4139, 6721, 7099