This year again

Level pending

\(A\) is a number with \(2015\) digits such that :

\(A=\color{red}{2}\color{purple}{0}\color{green}{1}\color{blue}{5}\color{red}{2}\color{purple}{0}\color{green}{1}\color{blue}{5}\color{red}{2}\color{purple}{0}\color{green}{1}\color{blue}{5}\color{red}{2}\color{purple}{0}\color{green}{1}\color{blue}{5}...\).

Find the maximum number of digits to be removed so that the sum is \(2015\)

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