Task: Program Execution
Input (English): D M 923 f Q 2713 D M G 1623 h g 8733 T 9887 7981 s T 8673 5401 t 4815 6319 U N 3547 581
Output (English): D, M, f, Q, D, M, G, h, g, T, s, T, t, U, N, 923, 2713, 1623, 8733, 9887, 7981, 8673, 5401, 4815, 6319, 3547, 581