Task: Program Execution
Input (English): W F 7021 c 9611 8765 y 3713 2429 9213 5649 2597 7921 F 6575 Z 4307 4351 4473 9077 f d 2383 n D 9423 U M 3687 1113 r 935 w 271 5569
Output (English): W, F, c, y, F, Z, f, d, n, D, U, M, r, w, 7021, 9611, 8765, 3713, 2429, 9213, 5649, 2597, 7921, 6575, 4307, 4351, 4473, 9077, 2383, 9423, 3687, 1113, 935, 271, 5569