程序设计能力实训

1131. Capitalize

单点时限: 2.0 sec

内存限制: 256 MB

Write a program which replace all the lower-case letters of a given text with the corresponding captital letters.

输入格式

A text including lower-case letters, periods, and space.

输出格式

Output The converted text.

样例

Input
welcome to east china normal university.
Output
WELCOME TO EAST CHINA NORMAL UNIVERSITY.
不限期开放

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