P8761 [Lanqiao Cup 2021 National BC] Uppercase

Given a string that contains only uppercase and lowercase letters, convert all lowercase letters in it to uppercase, then output the string.

Input one line containing a string.

Output the string after converting it to uppercase.

For all test cases, the length of the string does not exceed $100$. Lanqiao Cup 2021 National Contest Group B Problem E (Group C Problem E). Translated by ChatGPT 5