Task: Program Execution
Input (English): 9629, B, x, 4693, c, j, 6303, 6427, t, x, w, 7353, 6739, B, 1531, 1559, 4237, 937, 7425, e, 1965, J, 3499, U
Output (English): B, x, c, j, t, x, w, B, e, J, U