{"problem":{"name":"FizzBuzz Sum","description":{"content":"Let us define the **FizzBuzz sequence** $a_1,a_2,...$ as follows: *   If both $3$ and $5$ divides $i$, $a_i=\\text{FizzBuzz}$. *   If the above does not hold but $3$ divides $i$, $a_i=\\text{Fizz}$. * ","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc162_b"},"statements":[{"statement_type":"Markdown","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.\n\n## Constraints\n\n*   $1 \\leq N \\leq 10^6$\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$N$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc162_b","tags":[],"sample_group":[["15","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 $60$."],["1000000","266666333332\n\nWatch out for overflow."]],"created_at":"2026-03-03 11:01:13"}}