Task: Program Execution
Input (English): 2921, D, u, 2999, p, 219, V, a, V, A, 3065, h, 269, 7193, i, 3493, 7173, D, A, 9699, w, 457
Output (English): 2921, 2999, 219, 3065, 269, 7193, 3493, 7173, 9699, 457