奖牌 - Problème

#15164. 奖牌

Statistiques

AI Translation — This statement was translated using AI and may contain inaccuracies. Please refer to the original statement if in doubt.

小何在竞赛圈发现了一个奇怪的现象：当人们提到奖牌时，他们更喜欢用化学符号 Au、Ag 和 Cu 来表示金牌、银牌和铜牌，而不是使用官方名称 gold、silver 和 bronze。

他感到非常无聊，于是问你与奖牌官方名称相对应的常用符号是什么。如果他说 gold，你应该回答 Au，以此类推。

输入格式

输入一行，包含一个字符串：gold、silver 或 bronze。

输出格式

输出对应的常用符号。

样例

输入样例 1

gold

输出样例 1

Au

输入样例 2

silver

输出样例 2

Ag

输入样例 3

bronze

输出样例 3

Cu

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