Plus Minus

AtCoder

IDarc104_a

Time2000ms

Memory256MB

Difficulty—

Takahashi has two integers $X$ and $Y$. He computed $X + Y$ and $X - Y$, and the results were $A$ and $B$, respectively. Now he cannot remember what $X$ and $Y$ were. Find $X$ and $Y$ for him. ## Constraints * $-100 \leq A, B \leq 100$ * For the given integers $A$ and $B$, there uniquely exist integers $X$ and $Y$ such that $X + Y = A$ and $X - Y = B$. * All values in input are integers. ## Input Input is given from Standard Input in the following format: $A$ $B$ [samples]

Samples

Input #1

2 -2

Output #1

0 2

If $X = 0$ and $Y = 2$, they match the situation: $0 + 2 = 2$ and $0 - 2 = -2$.

Input #2

3 1

Output #2

2 1

API Response (JSON)

{
  "problem": {
    "name": "Plus Minus",
    "description": {
      "content": "Takahashi has two integers $X$ and $Y$. He computed $X + Y$ and $X - Y$, and the results were $A$ and $B$, respectively. Now he cannot remember what $X$ and $Y$ were. Find $X$ and $Y$ for him.",
      "description_type": "Markdown"
    },
    "platform": "AtCoder",
    "limit": {
      "time_limit": 2000,
      "memory_limit": 262144
    },
    "difficulty": "None",
    "is_remote": true,
    "is_sync": true,
    "sync_url": null,
    "sign": "arc104_a"
  },
  "statements": [
    {
      "statement_type": "Markdown",
      "content": "Takahashi has two integers $X$ and $Y$.\nHe computed $X + Y$ and $X - Y$, and the results were $A$ and $B$, respectively.\nNow he cannot remember what $X$ and $Y$ were. Find $X$ and $Y$ for him.\n\n## Con...",
      "is_translate": false,
      "language": "English"
    }
  ]
}

Full JSON Raw Segments