P5733 [Shenji 6. Example 1] Auto Correction

As everyone knows, some office software has a function that automatically converts letters to uppercase. Input a string with length no more than $100$ and without spaces. You need to change all lowercase letters in the string into uppercase letters and output it.

Input one line: a string.

Output a string, which is the original string with all lowercase letters converted to uppercase letters.

Translated by ChatGPT 5