Task: Program Execution
Input (English): 8853, 9953, 9517, 5451, 9053, 9599, 3511, 9457, 461, R, 841, 4647, X, k, y, 3935, 1569, w, D, 4211, 5415, c
Output (English): R, X, k, y, w, D, c