Task: Program Execution
Input (English): w, 2171, 4955, 8967, E, g, d, 8305, 9793, b, 9381, 441, 7583, k, 1999, R, Z, D, 1267, Z, 5875, W, 8569, 6961
Output (English): w, E, g, d, b, k, R, Z, D, Z, W