{"raw_statement":[{"iden":"problem statement","content":"Let us define the **FizzBuzz sequence** $a_1,a_2,...$ as follows:\n\n*   If both $3$ and $5$ divides $i$, $a_i=\\text{FizzBuzz}$.\n*   If the above does not hold but $3$ divides $i$, $a_i=\\text{Fizz}$.\n*   If none of the above holds but $5$ divides $i$, $a_i=\\text{Buzz}$.\n*   If none of the above holds, $a_i=i$.\n\nFind the sum of all numbers among the first $N$ terms of the FizzBuzz sequence."},{"iden":"constraints","content":"*   $1 \\leq N \\leq 10^6$"},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$N$"},{"iden":"sample input 1","content":"15"},{"iden":"sample output 1","content":"60\n\nThe first $15$ terms of the FizzBuzz sequence are:\n$1,2,\\text{Fizz},4,\\text{Buzz},\\text{Fizz},7,8,\\text{Fizz},\\text{Buzz},11,\\text{Fizz},13,14,\\text{FizzBuzz}$\nAmong them, numbers are $1,2,4,7,8,11,13,14$, and the sum of them is $60$."},{"iden":"sample input 2","content":"1000000"},{"iden":"sample output 2","content":"266666333332\n\nWatch out for overflow."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}