AtCoDeer and Paint Cans

AtCoder

IDabc046_a

Time2000ms

Memory256MB

Difficulty—

AtCoDeer the deer recently bought three paint cans. The color of the one he bought two days ago is $a$, the color of the one he bought yesterday is $b$, and the color of the one he bought today is $c$. Here, the color of each paint can is represented by an integer between $1$ and $100$, inclusive. Since he is forgetful, he might have bought more than one paint can in the same color. Count the number of different kinds of colors of these paint cans and tell him. ## Constraints * $1≦a,b,c≦100$ ## Input The input is given from Standard Input in the following format: $a$ $b$ $c$ [samples]

Samples

Input #1

3 1 4

Output #1

3

Three different colors: $1$, $3$, and $4$.

Input #2

3 3 33

Output #2

2

Two different colors: $3$ and $33$.

API Response (JSON)

{
  "problem": {
    "name": "AtCoDeer and Paint Cans",
    "description": {
      "content": "AtCoDeer the deer recently bought three paint cans. The color of the one he bought two days ago is $a$, the color of the one he bought yesterday is $b$, and the color of the one he bought today is $c$",
      "description_type": "Markdown"
    },
    "platform": "AtCoder",
    "limit": {
      "time_limit": 2000,
      "memory_limit": 262144
    },
    "difficulty": "None",
    "is_remote": true,
    "is_sync": true,
    "sync_url": null,
    "sign": "abc046_a"
  },
  "statements": [
    {
      "statement_type": "Markdown",
      "content": "AtCoDeer the deer recently bought three paint cans. The color of the one he bought two days ago is $a$, the color of the one he bought yesterday is $b$, and the color of the one he bought today is $c$...",
      "is_translate": false,
      "language": "English"
    }
  ]
}

Full JSON Raw Segments