시간 제한메모리 제한제출정답맞힌 사람정답 비율
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## 문제

You have recently started to study how to paint, and in one of the first classes you learned about the three primary colors: RedYellow, and Blue. If you combine these colors, you can produce many more colors. For now, the combinations that you have studied are the following:

• Red + Yellow = Orange
• Red + Blue = Purple
• Yellow + Blue = Green
• Red + Yellow + Blue = Gray

You still do not understand shades of colors, therefore the proportion and order of each color in the combination does not matter. For example, combining Red and Yellow produces the same result as combining Yellow and Red, as well as the same result as combining RedYellow, and Red again.

## 채점 및 기타 정보

• 예제는 채점하지 않는다.