Five Antennas

AtCoder

IDabc123_a

Time2000ms

Memory256MB

Difficulty—

In AtCoder city, there are five antennas standing in a straight line. They are called Antenna $A, B, C, D$ and $E$ from west to east, and their coordinates are $a, b, c, d$ and $e$, respectively. Two antennas can communicate directly if the distance between them is $k$ or less, and they cannot if the distance is greater than $k$. Determine if there exists a pair of antennas that cannot communicate **directly**. Here, assume that the distance between two antennas at coordinates $p$ and $q$ ($p < q$) is $q - p$. ## Constraints * $a, b, c, d, e$ and $k$ are integers between $0$ and $123$ (inclusive). * $a < b < c < d < e$ ## Input Input is given from Standard Input in the following format: $a$ $b$ $c$ $d$ $e$ $k$ [samples]

Samples

Input #1

Output #1

Yay!

In this case, there is no pair of antennas that cannot communicate directly, because:

*   the distance between $A$ and $B$ is $2 - 1$ = $1$
*   the distance between $A$ and $C$ is $4 - 1$ = $3$
*   the distance between $A$ and $D$ is $8 - 1$ = $7$
*   the distance between $A$ and $E$ is $9 - 1$ = $8$
*   the distance between $B$ and $C$ is $4 - 2$ = $2$
*   the distance between $B$ and $D$ is $8 - 2$ = $6$
*   the distance between $B$ and $E$ is $9 - 2$ = $7$
*   the distance between $C$ and $D$ is $8 - 4$ = $4$
*   the distance between $C$ and $E$ is $9 - 4$ = $5$
*   the distance between $D$ and $E$ is $9 - 8$ = $1$

and none of them is greater than $15$. Thus, the correct output is `Yay!`.

Input #2

Output #2

:(

In this case, the distance between antennas $A$ and $D$ is $35 - 15$ = $20$ and exceeds $18$, so they cannot communicate directly. Thus, the correct output is `:(`.

API Response (JSON)

{
  "problem": {
    "name": "Five Antennas",
    "description": {
      "content": "In AtCoder city, there are five antennas standing in a straight line. They are called Antenna $A, B, C, D$ and $E$ from west to east, and their coordinates are $a, b, c, d$ and $e$, respectively.   Tw",
      "description_type": "Markdown"
    },
    "platform": "AtCoder",
    "limit": {
      "time_limit": 2000,
      "memory_limit": 262144
    },
    "difficulty": "None",
    "is_remote": true,
    "is_sync": true,
    "sync_url": null,
    "sign": "abc123_a"
  },
  "statements": [
    {
      "statement_type": "Markdown",
      "content": "In AtCoder city, there are five antennas standing in a straight line. They are called Antenna $A, B, C, D$ and $E$ from west to east, and their coordinates are $a, b, c, d$ and $e$, respectively.  \nTw...",
      "is_translate": false,
      "language": "English"
    }
  ]
}

Full JSON Raw Segments