Can't Wait for Holiday

AtCoder
IDabc146_a
Time2000ms
Memory256MB
Difficulty
Given is a string $S$ representing the day of the week today. $S$ is `SUN`, `MON`, `TUE`, `WED`, `THU`, `FRI`, or `SAT`, for Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday, respectively. After how many days is the next Sunday (tomorrow or later)? ## Constraints * $S$ is `SUN`, `MON`, `TUE`, `WED`, `THU`, `FRI`, or `SAT`. ## Input Input is given from Standard Input in the following format: $S$ [samples]
Samples
Input #1
SAT
Output #1
1

It is Saturday today, and tomorrow will be Sunday.
Input #2
SUN
Output #2
7

It is Sunday today, and seven days later, it will be Sunday again.
API Response (JSON)
{
  "problem": {
    "name": "Can't Wait for Holiday",
    "description": {
      "content": "Given is a string $S$ representing the day of the week today. $S$ is `SUN`, `MON`, `TUE`, `WED`, `THU`, `FRI`, or `SAT`, for Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday, respect",
      "description_type": "Markdown"
    },
    "platform": "AtCoder",
    "limit": {
      "time_limit": 2000,
      "memory_limit": 262144
    },
    "difficulty": "None",
    "is_remote": true,
    "is_sync": true,
    "sync_url": null,
    "sign": "abc146_a"
  },
  "statements": [
    {
      "statement_type": "Markdown",
      "content": "Given is a string $S$ representing the day of the week today.\n$S$ is `SUN`, `MON`, `TUE`, `WED`, `THU`, `FRI`, or `SAT`, for Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday, respect...",
      "is_translate": false,
      "language": "English"
    }
  ]
}
Full JSON Raw Segments