Task: Program Execution
Input (English): 3121 6761 p a r 6213 1249 a G T 1789 8189 139 7241 2793 K 5509 2959 l 7877 r 7945 737 M F 4891
Output (English): 3121, 6761, 6213, 1249, 1789, 8189, 139, 7241, 2793, 5509, 2959, 7877, 7945, 737, 4891