# A Pre - RMO 2015 Question

Number Theory Level 3

Let $$E(n)$$ denote the sum of the even digits of $$n$$. For example, $$E(1243) = 2 + 4 = 6$$.

What is the value of $$E(1) + E(2) + E(3) + \cdots + E(100)$$?

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