# Reverse the number and it's square!

Number Theory Level 3

Given a number $$\overline {AB}$$ whose square is $$\overline {ACD}$$ and another number with reversed digits $$\overline {BA}$$ whose square is $$\overline {DCA}$$ where $$A, B, C, D$$ represent distinct digits.

Find $$A + B + C + D$$

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