Task: Program Execution
Input (English): 2835 M 9729 x 1507 P 9785 K 2469 6933 X 9637 x S 4485 7961 b U 7417 M f V l I 5107
Output (English): M, x, P, K, X, x, S, b, U, M, f, V, l, I, 2835, 9729, 1507, 9785, 2469, 6933, 9637, 4485, 7961, 7417, 5107