Ferris Wheel

AtCoder

IDabc127_a

Time2000ms

Memory256MB

Difficulty—

Takahashi, who is $A$ years old, is riding a Ferris wheel. It costs $B$ yen ($B$ is an even number) to ride the Ferris wheel if you are $13$ years old or older, but children between $6$ and $12$ years old (inclusive) can ride it for half the cost, and children who are $5$ years old or younger are free of charge. (Yen is the currency of Japan.) Find the cost of the Ferris wheel for Takahashi. ## Constraints * $0 ≤ A ≤ 100$ * $2 ≤ B ≤ 1000$ * $B$ is an even number. ## Input Input is given from Standard Input in the following format: $A$ $B$ [samples]

Samples

Input #1

30 100

Output #1

100

Takahashi is $30$ years old now, and the cost of the Ferris wheel is $100$ yen.

Input #2

12 100

Output #2

50

Takahashi is $12$ years old, and the cost of the Ferris wheel is the half of $100$ yen, that is, $50$ yen.

Input #3

0 100

Output #3

0

Takahashi is $0$ years old, and he can ride the Ferris wheel for free.

API Response (JSON)

{
  "problem": {
    "name": "Ferris Wheel",
    "description": {
      "content": "Takahashi, who is $A$ years old, is riding a Ferris wheel. It costs $B$ yen ($B$ is an even number) to ride the Ferris wheel if you are $13$ years old or older, but children between $6$ and $12$ years",
      "description_type": "Markdown"
    },
    "platform": "AtCoder",
    "limit": {
      "time_limit": 2000,
      "memory_limit": 262144
    },
    "difficulty": "None",
    "is_remote": true,
    "is_sync": true,
    "sync_url": null,
    "sign": "abc127_a"
  },
  "statements": [
    {
      "statement_type": "Markdown",
      "content": "Takahashi, who is $A$ years old, is riding a Ferris wheel.\nIt costs $B$ yen ($B$ is an even number) to ride the Ferris wheel if you are $13$ years old or older, but children between $6$ and $12$ years...",
      "is_translate": false,
      "language": "English"
    }
  ]
}

Full JSON Raw Segments