Task: Program Execution
Input (English): W 2857 b P 7647 F y 1551 d 1217 R 3563 z 1915 781 1405 4667 2713 F W q 243 7501 D 4603 x k 5507 4039 6353 6997
Output (English): W, b, P, F, y, d, R, z, F, W, q, D, x, k, 2857, 7647, 1551, 1217, 3563, 1915, 781, 1405, 4667, 2713, 243, 7501, 4603, 5507, 4039, 6353, 6997