As of today, it's official! Obama has been designated as the official Democratic Party presidential candidate for the US 2008 election. Since few of us were surprised at the outcome, I've created another alphametic puzzle that will give you something to which you can look forward.

Strangely enough, Barack H. Obama's name works perfectly as an equation. The question, as always, is exactly which equation this represents:


Click here to see the rules for this puzzle.

The object of this puzzle is to replace each letter with a number so that the equation is true.

The rules are as follows:
• Each letter represents only one digit, 0-9, throughout the problem.
• Different letters represent different digits, and no two letters represent the same digit.
• Any letter that represents the leftmost digit in a number never represents 0.
• When solved, the equation must be true.
• There is only one possible solution.

To start solving the problem, click on any box, and change that box's letter to a number, and then hit the tab key. If that letter appears more than once, the other instances of that same letter will also be changed to that same number. You won't be alerted if you enter the same digit for two different letters, so be careful!

The Hint button will tell you one digit, and which letter represents that digit. The Restore button will set each text box back to its original letter. The Check button will let you know whether your solution is correct.

Let everyone know how you did in the comments!

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