题目描述
Write a program which replace all the lower-case letters of a given text with the corresponding captital letters.
Input
A text including lower-case letters, periods, and space is given in a line. The number of characters in the text is less than or equal to 200.
Output
Print the converted text.
Example
Input
this is a pen.
Output
THIS IS A PEN.
输入格式
见题面
输出格式
见题面
样例输入
this is a pen.
样例输出
THIS IS A PEN.