CF281A.Word Capitalization

Capitalization is writing a word with its first letter as a capital letter. Your task is to capitalize the given word.

Note, that during capitalization all the letters except the first one remains unchanged.

大写是指将一个单词的首字母改为大写字母。你的任务是将给定的单词进行大写处理。

注意：在大写处理过程中，除第一个字母外，其余所有字母均保持不变。

A single line contains a non-empty word. This word consists of lowercase and uppercase English letters. The length of the word will not exceed 103.

一行包含一个非空单词。该单词由小写和大写英文字母组成。单词的长度不超过 $10^3$。

Output the given word after capitalization.

输出给定单词的首字母大写形式。