Fourtune Cookies

AtCoder

IDarc105_a

Time2000ms

Memory256MB

Difficulty—

Snuke has four cookies with deliciousness $A$, $B$, $C$, and $D$. He will choose one or more from those cookies and eat them. Is it possible that the sum of the deliciousness of the eaten cookies is equal to that of the remaining cookies? ## Constraints * All values in input are integers. * $1 \leq A,B,C,D \leq 10^{8}$ ## Input Input is given from Standard Input in the following format: $A$ $B$ $C$ $D$ [samples]

Samples

Input #1

1 3 2 4

Output #1

Yes

*   If he eats the cookies with deliciousness $1$ and $4$, the sum of the deliciousness of the eaten cookies will be equal to that of the remaining cookies.

Input #2

1 2 4 8

Output #2

No

*   Whatever choice he makes, the sum of the deliciousness of the eaten cookies will never be equal to that of the remaining cookies.

API Response (JSON)

{
  "problem": {
    "name": "Fourtune Cookies",
    "description": {
      "content": "Snuke has four cookies with deliciousness $A$, $B$, $C$, and $D$. He will choose one or more from those cookies and eat them. Is it possible that the sum of the deliciousness of the eaten cookies is e",
      "description_type": "Markdown"
    },
    "platform": "AtCoder",
    "limit": {
      "time_limit": 2000,
      "memory_limit": 262144
    },
    "difficulty": "None",
    "is_remote": true,
    "is_sync": true,
    "sync_url": null,
    "sign": "arc105_a"
  },
  "statements": [
    {
      "statement_type": "Markdown",
      "content": "Snuke has four cookies with deliciousness $A$, $B$, $C$, and $D$. He will choose one or more from those cookies and eat them. Is it possible that the sum of the deliciousness of the eaten cookies is e...",
      "is_translate": false,
      "language": "English"
    }
  ]
}

Full JSON Raw Segments