Task: Program Execution
Input (English): 1729 6741 F 5803 i 7125 d 439 E d X a y 9439 5263 3571 U i 1821 R 8863 c 8133 1489 F
Output (English): F, i, d, E, d, X, a, y, U, i, R, c, F, 1729, 6741, 5803, 7125, 439, 9439, 5263, 3571, 1821, 8863, 8133, 1489