Cheeky Cryptarithm

Logic Level 1

\[ \large{\begin{array}{cccccc} & & & A & B & C&D\\ \times & & & & & &D\\ \hline & & & D& C & B&A\\ \end{array}} \]

Given that \(A,B,C\) and \(D\) are distinct single digit non-negative integers satisfying the cryptogram above, find \(A+B+C+D\).

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