Score : $200$ points
Let us define the FizzBuzz sequence $a_1,a_2,...$ as follows:
Find the sum of all numbers among the first $N$ terms of the FizzBuzz sequence.
Input is given from Standard Input in the following format:
$N$
Print the sum of all numbers among the first $N$ terms of the FizzBuzz sequence.
15
60
The first $15$ terms of the FizzBuzz sequence are:
$1,2,\mbox{Fizz},4,\mbox{Buzz},\mbox{Fizz},7,8,\mbox{Fizz},\mbox{Buzz},11,\mbox{Fizz},13,14,\mbox{FizzBuzz}$
Among them, numbers are $1,2,4,7,8,11,13,14$, and the sum of them is $60$.
1000000
266666333332
Watch out for overflow.